$CYAN
CYANOTECH CORP Stock $cyan

$cyan Overview Financials Valuation SEC Filings Company Website

2021 Q1 Form 10-K Financial Statement

#000143774921015361 Filed on June 22, 2021

Income Statement

Concept	2021 Q1	2021	2020 Q1
Revenue	$9.438M	$32.35M	$8.634M
YoY Change	9.31%	1.4%	42.5%
Cost Of Revenue	$6.668M	$21.23M	$5.550M
YoY Change	20.14%	10.57%	44.91%
Gross Profit	$2.771M	$11.12M	$3.084M
YoY Change	-10.15%	-12.46%	38.36%
Gross Profit Margin	29.36%	34.37%	35.72%
Selling, General & Admin	$2.675M	$10.39M	$2.740M
YoY Change	-2.37%	-5.84%	-15.95%
% of Gross Profit	96.54%	93.5%	88.85%
Research & Development	$120.0K	$639.0K	$120.0K
YoY Change	0.0%	5.1%	-58.62%
% of Gross Profit	4.33%	5.75%	3.89%
Depreciation & Amortization	$408.0K	$1.748M	$470.0K
YoY Change	-13.19%	-9.62%	-4.08%
% of Gross Profit	14.72%	15.72%	15.24%
Operating Expenses	$2.795M	$11.03M	$2.860M
YoY Change	-2.27%	-5.27%	-19.44%
Operating Profit	-$24.00K	$84.00K	$224.0K
YoY Change	-110.71%	-92.02%	-116.96%
Interest Expense	-$176.0K	$550.0K	-$130.0K
YoY Change	35.38%	-16.29%	-23.53%
% of Operating Profit		654.76%	-58.04%
Other Income/Expense, Net		$839.0K
YoY Change		-227.7%
Pretax Income	-$201.0K	$923.0K	$100.0K
YoY Change	-301.0%	133.08%	-106.71%
Income Tax	$0.00	$3.000K	-$20.00K
% Of Pretax Income		0.33%	-20.0%
Net Earnings	-$200.0K	$920.0K	$121.0K
YoY Change	-265.29%	137.73%	-108.21%
Net Earnings / Revenue	-2.12%	2.84%	1.4%
Basic Earnings Per Share		$0.15
Diluted Earnings Per Share	-$32.95K	$0.15	$20.00K
COMMON SHARES
Basic Shares Outstanding		6.070M
Diluted Shares Outstanding		6.079M

Balance Sheet

Concept	2021 Q1	2021	2020 Q1
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.767M	$3.767M	$2.420M
YoY Change	55.66%	55.66%	188.1%
Cash & Equivalents	$3.767M	$3.767M	$2.417M
Short-Term Investments
Other Short-Term Assets	$488.0K	$488.0K	$500.0K
YoY Change	-2.4%	-2.4%	0.0%
Inventory	$8.415M	$8.415M	$9.653M
Prepaid Expenses
Receivables	$2.436M	$2.436M	$2.154M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$15.11M	$15.11M	$14.73M
YoY Change	2.57%	2.55%	0.93%
LONG-TERM ASSETS
Property, Plant & Equipment	$12.14M	$15.65M	$13.04M
YoY Change	-6.95%	-7.27%	-11.59%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$120.0K	$120.0K	$183.0K
YoY Change	-34.43%	-33.33%	-35.11%
Total Long-Term Assets	$15.77M	$15.77M	$17.06M
YoY Change	-7.54%	-7.54%	13.47%
TOTAL ASSETS
Total Short-Term Assets	$15.11M	$15.11M	$14.73M
Total Long-Term Assets	$15.77M	$15.77M	$17.06M
Total Assets	$30.88M	$30.88M	$31.79M
YoY Change	-2.86%	-2.87%	7.29%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$2.287M	$2.287M	$2.137M
YoY Change	7.02%	6.87%	-56.58%
Accrued Expenses	$1.412M	$1.187M	$849.0K
YoY Change	66.31%	1.45%	-14.42%
Deferred Revenue	$124.0K		$327.0K
YoY Change	-62.08%		-47.76%
Short-Term Debt	$1.000M	$1.000M	$2.040M
YoY Change	-50.98%	-50.98%	-10.92%
Long-Term Debt Due	$2.210M	$1.210M	$2.689M
YoY Change	-17.81%	75.36%	0.98%
Total Short-Term Liabilities	$5.808M	$5.808M	$6.359M
YoY Change	-8.66%	-8.68%	-32.98%
LONG-TERM LIABILITIES
Long-Term Debt	$4.823M	$4.823M	$6.009M
YoY Change	-19.74%	-19.75%	16.18%
Other Long-Term Liabilities	$32.00K	$3.207M	$54.00K
YoY Change	-40.74%	-10.17%	-5.26%
Total Long-Term Liabilities	$4.855M	$8.030M	$6.063M
YoY Change	-19.92%	-16.18%	15.95%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.808M	$5.808M	$6.359M
Total Long-Term Liabilities	$4.855M	$8.030M	$6.063M
Total Liabilities	$13.84M	$13.84M	$15.94M
YoY Change	-13.19%	-13.19%	8.32%
SHAREHOLDERS EQUITY
Retained Earnings	-$16.35M		-$17.27M
YoY Change	-5.33%		-2.19%
Common Stock	$122.0K		$120.0K
YoY Change	1.67%		2.56%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$17.04M	$17.04M	$15.85M
YoY Change
Total Liabilities & Shareholders Equity	$30.88M	$30.88M	$31.79M
YoY Change	-2.86%	-2.87%	7.29%

Cashflow Statement

Concept	2021 Q1	2021	2020 Q1
OPERATING ACTIVITIES
Net Income	-$200.0K	$920.0K	$121.0K
YoY Change	-265.29%	137.73%	-108.21%
Depreciation, Depletion And Amortization	$408.0K	$1.748M	$470.0K
YoY Change	-13.19%	-9.62%	-4.08%
Cash From Operating Activities	$1.480M	$2.400M	$1.040M
YoY Change	42.31%	93.08%	-228.4%
INVESTING ACTIVITIES
Capital Expenditures	-$180.0K	-$760.0K	-$40.00K
YoY Change	350.0%	245.45%	-20.0%
Acquisitions
YoY Change
Other Investing Activities
YoY Change
Cash From Investing Activities	-$180.0K	-$760.0K	-$40.00K
YoY Change	350.0%	239.29%	-20.0%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net		$670.0K
YoY Change		9.66%
Cash From Financing Activities	-860.0K	-$290.0K	-190.0K
YoY Change	352.63%	-151.97%	-258.33%
NET CHANGE
Cash From Operating Activities	1.480M	$2.400M	1.040M
Cash From Investing Activities	-180.0K	-$760.0K	-40.00K
Cash From Financing Activities	-860.0K	-$290.0K	-190.0K
Net Change In Cash	440.0K	$1.350M	810.0K
YoY Change	-45.68%	-14.39%	-209.46%
FREE CASH FLOW
Cash From Operating Activities	$1.480M	$2.400M	$1.040M
Capital Expenditures	-$180.0K	-$760.0K	-$40.00K
Free Cash Flow	$1.660M	$3.160M	$1.080M
YoY Change	53.7%	115.99%	-242.11%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2021Q1	cyan	Accrued Rent And Utilities Current AccruedRentAndUtilitiesCurrent	86000
CY2020	cyan	Finance Lease Cost FinanceLeaseCost	25000
CY2021	cyan	Inventory Abnormal Production Costs InventoryAbnormalProductionCosts	110000
CY2020Q1	cyan	Accrued Rent And Utilities Current AccruedRentAndUtilitiesCurrent	76000
CY2020	cyan	Adjustments To Additional Paid In Capital Settlement Agreement With A Former Executive AdjustmentsToAdditionalPaidInCapitalSettlementAgreementWithAFormerExecutive	-320000
CY2021	cyan	Adjustments To Additional Paid In Capital Settlement Agreement With A Former Executive AdjustmentsToAdditionalPaidInCapitalSettlementAgreementWithAFormerExecutive
CY2018Q3	cyan	Debt Covenant Minimum Current Ratio DebtCovenantMinimumCurrentRatio	1.5
CY2021Q1	cyan	Deferred Tax Assets Interest Limitation DeferredTaxAssetsInterestLimitation
CY2020Q1	cyan	Deferred Tax Assets Interest Limitation DeferredTaxAssetsInterestLimitation	3000
CY2019Q1	cyan	Deferred Tax Assets Interest Limitation DeferredTaxAssetsInterestLimitation	174000
CY2021Q1	cyan	Deferred Tax Assets Operating Lease Right Of Use Assets DeferredTaxAssetsOperatingLeaseRightOfUseAssets	1002000
CY2020Q1	cyan	Deferred Tax Assets Operating Lease Right Of Use Assets DeferredTaxAssetsOperatingLeaseRightOfUseAssets	1108000
CY2019Q1	cyan	Deferred Tax Assets Operating Lease Right Of Use Assets DeferredTaxAssetsOperatingLeaseRightOfUseAssets
CY2021	cyan	Effective Income Tax Rate Reconciliation Deferred Tax Trueup Amount EffectiveIncomeTaxRateReconciliationDeferredTaxTrueupAmount	27000
CY2020	cyan	Effective Income Tax Rate Reconciliation Deferred Tax Trueup Amount EffectiveIncomeTaxRateReconciliationDeferredTaxTrueupAmount
CY2019	cyan	Effective Income Tax Rate Reconciliation Deferred Tax Trueup Amount EffectiveIncomeTaxRateReconciliationDeferredTaxTrueupAmount
CY2021	cyan	Effective Income Tax Rate Reconciliation Ppp Loan Forgiveness Amount EffectiveIncomeTaxRateReconciliationPppLoanForgivenessAmount	298000
CY2020	cyan	Effective Income Tax Rate Reconciliation Ppp Loan Forgiveness Amount EffectiveIncomeTaxRateReconciliationPppLoanForgivenessAmount
CY2019	cyan	Effective Income Tax Rate Reconciliation Ppp Loan Forgiveness Amount EffectiveIncomeTaxRateReconciliationPppLoanForgivenessAmount
CY2021	cyan	Finance Lease Cost FinanceLeaseCost	15000
CY2020	cyan	Inventory Abnormal Production Costs InventoryAbnormalProductionCosts	0
CY2019	cyan	Inventory Abnormal Production Costs InventoryAbnormalProductionCosts	250000
CY2021	cyan	Issuance Of Short Term Obligations IssuanceOfShortTermObligations
CY2020	cyan	Issuance Of Short Term Obligations IssuanceOfShortTermObligations
CY2019	cyan	Issuance Of Short Term Obligations IssuanceOfShortTermObligations	-395000
CY2021Q1	cyan	Long Term Debt And Capital Lease Obligations Current And Noncurrent LongTermDebtAndCapitalLeaseObligationsCurrentAndNoncurrent	4613000
CY2021Q1	cyan	Longterm Debt Current Maturities Excluding Line Of Credit Current LongtermDebtCurrentMaturitiesExcludingLineOfCreditCurrent	1210000
CY2020Q1	cyan	Longterm Debt Current Maturities Excluding Line Of Credit Current LongtermDebtCurrentMaturitiesExcludingLineOfCreditCurrent	689000
CY2021Q1	cyan	Longterm Debt Gross Excluding Current Maturities LongtermDebtGrossExcludingCurrentMaturities	4963000
CY2020Q1	cyan	Longterm Debt Gross Excluding Current Maturities LongtermDebtGrossExcludingCurrentMaturities	6178000
CY2021	cyan	Non Inventoriable Fixed Costs NonInventoriableFixedCosts	179000
CY2020	cyan	Non Inventoriable Fixed Costs NonInventoriableFixedCosts	343000
CY2019	cyan	Non Inventoriable Fixed Costs NonInventoriableFixedCosts	176000
CY2020Q1	cyan	Number Of Shareholder Approved Sharebased Compensation Plans NumberOfShareholderApprovedSharebasedCompensationPlans	2
CY2021Q1	cyan	Operating Lease Rightofuse Asset Accumulated Amortization OperatingLeaseRightofuseAssetAccumulatedAmortization	611000
CY2020Q1	cyan	Operating Lease Rightofuse Asset Accumulated Amortization OperatingLeaseRightofuseAssetAccumulatedAmortization	294000
CY2021	cyan	Operating Lease Rightofuse Asset Amortization OperatingLeaseRightofuseAssetAmortization	317000
CY2020	cyan	Operating Lease Rightofuse Asset Amortization OperatingLeaseRightofuseAssetAmortization	294000
CY2019	cyan	Operating Lease Rightofuse Asset Amortization OperatingLeaseRightofuseAssetAmortization
CY2021Q1	cyan	Operating Lease Rightofuse Asset Before Accumulated Amortization OperatingLeaseRightofuseAssetBeforeAccumulatedAmortization	4128000
CY2020Q1	cyan	Operating Lease Rightofuse Asset Before Accumulated Amortization OperatingLeaseRightofuseAssetBeforeAccumulatedAmortization	4128000
CY2021	cyan	Operating Leases Expense Contingent Rentals OperatingLeasesExpenseContingentRentals	50000
CY2020	cyan	Operating Leases Expense Contingent Rentals OperatingLeasesExpenseContingentRentals	49000
CY2019	cyan	Operating Leases Expense Contingent Rentals OperatingLeasesExpenseContingentRentals	54000
CY2021	cyan	Proceeds From Issuance Of Common Stock And Stock Options Exercised ProceedsFromIssuanceOfCommonStockAndStockOptionsExercised	68000
CY2020	cyan	Proceeds From Issuance Of Common Stock And Stock Options Exercised ProceedsFromIssuanceOfCommonStockAndStockOptionsExercised	4000
CY2019	cyan	Proceeds From Issuance Of Common Stock And Stock Options Exercised ProceedsFromIssuanceOfCommonStockAndStockOptionsExercised	108000
CY2016Q2	cyan	Purchase Obligation Agreement Term PurchaseObligationAgreementTerm	P10Y
CY2021	cyan	Repayments Of Short Term Contractual Obligation RepaymentsOfShortTermContractualObligation	38000
CY2020	cyan	Repayments Of Short Term Contractual Obligation RepaymentsOfShortTermContractualObligation	247000
CY2019	cyan	Repayments Of Short Term Contractual Obligation RepaymentsOfShortTermContractualObligation	110000
CY2021	cyan	Sharebased Compensation Arrangement By Share Based Payment Award Weighted Average Grant Date Fair Value Optionsgranted SharebasedCompensationArrangementByShareBasedPaymentAwardWeightedAverageGrantDateFairValueOptionsgranted	155000
CY2020	cyan	Sharebased Compensation Arrangement By Share Based Payment Award Weighted Average Grant Date Fair Value Optionsgranted SharebasedCompensationArrangementByShareBasedPaymentAwardWeightedAverageGrantDateFairValueOptionsgranted	5000
CY2019	cyan	Sharebased Compensation Arrangement By Share Based Payment Award Weighted Average Grant Date Fair Value Optionsgranted SharebasedCompensationArrangementByShareBasedPaymentAwardWeightedAverageGrantDateFairValueOptionsgranted	76000
CY2021	cyan	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Vesting Period SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsVestingPeriod	P3Y
CY2020	cyan	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Vesting Period SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsVestingPeriod	P0Y
CY2019	cyan	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Vesting Period SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsVestingPeriod	P4Y
CY2021Q1	cyan	Sharebased Compensation Arrangement By Sharebased Payment Award Number Of Shares Outstanding SharebasedCompensationArrangementBySharebasedPaymentAwardNumberOfSharesOutstanding	402488
CY2021Q1	cyan	Sharesauthorized Sharesauthorized	60000000
CY2019	cyan	Stock Issued During Period Value Director Stockgrants StockIssuedDuringPeriodValueDirectorStockgrants	170000
CY2020	cyan	Stock Issued During Period Value Director Stockgrants StockIssuedDuringPeriodValueDirectorStockgrants	158000
CY2021	cyan	Stock Issued During Period Value Director Stockgrants StockIssuedDuringPeriodValueDirectorStockgrants	158000
CY2021	cyan	Shareased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Forfeiture Rate ShareasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate	0
CY2020	cyan	Shareased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Forfeiture Rate ShareasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate	0
CY2019	cyan	Shareased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Forfeiture Rate ShareasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate	0
CY2021Q1	cyan	Working Capital Deficit WorkingCapitalDeficit	9298000
CY2020Q1	cyan	Working Capital Deficit WorkingCapitalDeficit	8369000
CY2021	dei	Amendment Flag AmendmentFlag	false
CY2021	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--03-31
CY2021	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2021	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2021
CY2021	dei	Document Period End Date DocumentPeriodEndDate	2021-03-31
CY2021	dei	Document Type DocumentType	10-K
CY2021	dei	Entity Central Index Key EntityCentralIndexKey	0000768408
CY2021Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	6117719
CY2021	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2021	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2021	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2021	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020Q3	dei	Entity Public Float EntityPublicFloat	6941967
CY2021	dei	Entity Registrant Name EntityRegistrantName	Cyanotech Corp
CY2021	dei	Entity Shell Company EntityShellCompany	false
CY2021	dei	Entity Small Business EntitySmallBusiness	true
CY2021	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2021	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2021	dei	Security12b Title Security12bTitle	Common Stock, $0.02 par value per share
CY2021	dei	Trading Symbol TradingSymbol	cyan
CY2021Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	2287000
CY2020Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	2137000
CY2021Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2436000
CY2020Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2154000
CY2021Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	844000
CY2020Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	849000
CY2021Q1	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	211000
CY2020Q1	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	295000
CY2021Q1	us-gaap	Accrued Vacation Current AccruedVacationCurrent	408000
CY2020Q1	us-gaap	Accrued Vacation Current AccruedVacationCurrent	301000
CY2021Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	22740000
CY2020Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	21179000
CY2021Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	33267000
CY2020Q1	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	32994000
CY2019	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
CY2020	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
CY2021	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	152000
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	99000
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	56000
CY2021	us-gaap	Advertising Expense AdvertisingExpense	2116000
CY2020	us-gaap	Advertising Expense AdvertisingExpense	1992000
CY2019	us-gaap	Advertising Expense AdvertisingExpense	2413000
CY2021Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	32000
CY2020Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	13000
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	90000
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	80000
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	71000
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	64000
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges
CY2021Q1	us-gaap	Asset Retirement Obligation AssetRetirementObligation	0
CY2020Q1	us-gaap	Asset Retirement Obligation AssetRetirementObligation	0
CY2021Q1	us-gaap	Assets Assets	30879000
CY2020Q1	us-gaap	Assets Assets	31787000
CY2021Q1	us-gaap	Assets Current AssetsCurrent	15106000
CY2020Q1	us-gaap	Assets Current AssetsCurrent	14728000
CY2021Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3767000
CY2020Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2417000
CY2020Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	2417000
CY2019Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	840000
CY2018Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1394000
CY2021Q1	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	3767000
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1350000
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	1577000
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-554000
CY2021Q1	us-gaap	Cash Uninsured Amount CashUninsuredAmount	3267000
CY2020Q1	us-gaap	Cash Uninsured Amount CashUninsuredAmount	1917000
CY2021Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2020Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies
CY2021Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.02
CY2020Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.02
CY2021Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000
CY2020Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000
CY2021Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	6116073
CY2020Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	6011885
CY2021Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	6116073
CY2020Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	6011885
CY2021Q1	us-gaap	Common Stock Value CommonStockValue	122000
CY2020Q1	us-gaap	Common Stock Value CommonStockValue	120000
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	9000
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	17000
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	3000
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	12000
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	21000
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit
CY2021Q1	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	140000
CY2020Q1	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	169000
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style=" font-family: "Times New Roman"; font-size: 10pt; font-variant: normal; margin: 0pt;"><div style="display: inline; font-weight: bold;">Concentration Risk</div></div> <div style=" font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </div> <div style=" font-family: "Times New Roman"; font-size: 10pt; font-variant: normal; text-align: justify; margin: 0pt; text-indent: 36pt;">The Company maintains its cash accounts in banks located in Hawaii, which are insured by the Federal Deposit Insurance Corporation (“FDIC”) up to <div style="display: inline; font-style: italic; font: inherit;">$250,000</div> per bank.  The Company had cash balances at <div style="display: inline; font-style: italic; font: inherit;"> March 31, 2021 </div>and <div style="display: inline; font-style: italic; font: inherit;">2020</div> that exceeded the balance insured by the FDIC by <div style="display: inline; font-style: italic; font: inherit;">$3,267,000</div> and <div style="display: inline; font-style: italic; font: inherit;">$1,917,000,</div> respectively.  A significant portion of revenues and accounts receivables are derived from a few major customers. For the year ended <div style="display: inline; font-style: italic; font: inherit;"> March 31, 2021, </div><div style="display: inline; font-style: italic; font: inherit;">two</div> customers individually accounted for <div style="display: inline; font-style: italic; font: inherit;">19%</div> and <div style="display: inline; font-style: italic; font: inherit;">17%</div> of the Company's total net sales and for the year ended <div style="display: inline; font-style: italic; font: inherit;"> March 31, 2020, </div><div style="display: inline; font-style: italic; font: inherit;">two</div> customers individually accounted for <div style="display: inline; font-style: italic; font: inherit;">33%</div> and <div style="display: inline; font-style: italic; font: inherit;">18%</div> of the Company's total net sales. For the year ended <div style="display: inline; font-style: italic; font: inherit;"> March 31, 2019, </div><div style="display: inline; font-style: italic; font: inherit;">two</div> customers individually accounted for <div style="display: inline; font-style: italic; font: inherit;">33%</div> and <div style="display: inline; font-style: italic; font: inherit;">24%</div> of our total net sales. Three and <div style="display: inline; font-style: italic; font: inherit;">two</div> customers accounted for <div style="display: inline; font-style: italic; font: inherit;">57%</div> and <div style="display: inline; font-style: italic; font: inherit;">80%,</div> respectively, of the Company's accounts receivable balance as of <div style="display: inline; font-style: italic; font: inherit;"> March 31, 2021 </div>and <div style="display: inline; font-style: italic; font: inherit;">2020,</div> respectively.</div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
CY2021Q1	us-gaap	Construction In Progress Gross ConstructionInProgressGross	745000
CY2020Q1	us-gaap	Construction In Progress Gross ConstructionInProgressGross	275000
CY2021Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	124000
CY2020Q1	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	327000
CY2021	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	251000
CY2020	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	550000
CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	21228000
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	19199000
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	19736000
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-3000
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-4000
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	3000
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit
CY2021Q1	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2315000
CY2020Q1	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	2482000
CY2019Q1	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1308000
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit
CY2021Q1	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	5345000
CY2020Q1	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	5495000
CY2019Q1	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	4480000
CY2021Q1	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	136000
CY2020Q1	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	492000
CY2019Q1	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	509000
CY2021Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	0
CY2020Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	0
CY2019Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet
CY2021Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	2315000
CY2020Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	2482000
CY2019Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	1308000
CY2021Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	4009000
CY2020Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	3703000
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-0.62
CY2019	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.62
CY2020Q2	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.02
CY2020Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.03
CY2020Q4	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.13
CY2021Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.03
CY2019Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	3611000
CY2021Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	34000
CY2020Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	25000
CY2019Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	27000
CY2021Q1	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	28000
CY2020Q1	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	28000
CY2019Q1	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	28000
CY2021Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	136000
CY2020Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	136000
CY2019Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	131000
CY2021Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3030000
CY2020Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3013000
CY2019Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	3172000
CY2021Q1	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	1002000
CY2020Q1	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	1106000
CY2019Q1	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements
CY2021Q1	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1313000
CY2020Q1	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1376000
CY2019Q1	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1308000
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1748000
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1934000
CY2019	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1908000
CY2021	us-gaap	Dilutive Securities DilutiveSecurities
CY2020	us-gaap	Dilutive Securities DilutiveSecurities
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.15
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.06
CY2021	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.15
CY2019Q2	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	-0.02
CY2019Q3	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.04
CY2019Q4	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.03
CY2020Q1	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.01
CY2020	us-gaap	Earnings Per Share Basic And Diluted EarningsPerShareBasicAndDiluted	0.06
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.15
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.06
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-0.62
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21
CY2019Q3	us-gaap	Gross Profit GrossProfit	3063000
CY2019Q4	us-gaap	Gross Profit GrossProfit	2877000
CY2020Q1	us-gaap	Gross Profit GrossProfit	3084000
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	24000
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	57000
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	66000
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	1389000
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	4876000
CY2020	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	5281000
CY2019	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	5718000
CY2021	us-gaap	Gross Profit GrossProfit	11117000
CY2020	us-gaap	Gross Profit GrossProfit	12700000
CY2019	us-gaap	Gross Profit GrossProfit	10466000
CY2020Q2	us-gaap	Gross Profit GrossProfit	2974000
CY2020Q3	us-gaap	Gross Profit GrossProfit	3301000
CY2020Q4	us-gaap	Gross Profit GrossProfit	2071000
CY2021Q1	us-gaap	Gross Profit GrossProfit	2771000
CY2019Q2	us-gaap	Gross Profit GrossProfit	3676000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	923000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	396000
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-3579000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9000
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17000
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-159000
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	1015000
CY2021	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate
CY2020	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	32000
CY2019	us-gaap	Income Tax Reconciliation Change In Enacted Tax Rate IncomeTaxReconciliationChangeInEnactedTaxRate	30000
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	10000
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-2000
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1000
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	2000
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-264000
CY2021	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits
CY2020	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	3000
CY2019	us-gaap	Income Tax Reconciliation Tax Credits IncomeTaxReconciliationTaxCredits	4000
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	14000
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	263000
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	114000
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-752000
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	11000
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	13000
CY2019	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-6000
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	38000
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	17000
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	4000
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-2785000
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	1395000
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	328000
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	172000
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-682000
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	3000
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-143000
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	100000
CY2021	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-203000
CY2020	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-299000
CY2019	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	493000
CY2021	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	-22000
CY2020	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	-3000
CY2019	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	-46000
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1238000
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1621000
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	2240000
CY2021	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-320000
CY2020	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability	-289000
CY2019	us-gaap	Increase Decrease In Operating Lease Liability IncreaseDecreaseInOperatingLeaseLiability
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-18000
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-41000
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-64000
CY2021	us-gaap	Interest Expense InterestExpense	550000
CY2020	us-gaap	Interest Expense InterestExpense	657000
CY2019	us-gaap	Interest Expense InterestExpense	582000
CY2021	us-gaap	Interest Paid Net InterestPaidNet	446000
CY2020	us-gaap	Interest Paid Net InterestPaidNet	618000
CY2019	us-gaap	Interest Paid Net InterestPaidNet	380000
CY2021Q1	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	4423000
CY2020Q1	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	4945000
CY2021Q1	us-gaap	Inventory Net InventoryNet	8415000
CY2020Q1	us-gaap	Inventory Net InventoryNet	9653000
CY2021Q1	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	547000
CY2020Q1	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	397000
CY2021Q1	us-gaap	Inventory Supplies Net Of Reserves InventorySuppliesNetOfReserves	239000
CY2020Q1	us-gaap	Inventory Supplies Net Of Reserves InventorySuppliesNetOfReserves	139000
CY2021Q1	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	3206000
CY2020Q1	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	4172000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	5564000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	3353000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	593000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	339000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	371000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	371000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	537000
CY2021Q1	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	2046000
CY2021Q1	us-gaap	Liabilities Liabilities	13838000
CY2020Q1	us-gaap	Liabilities Liabilities	15941000
CY2021Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	30879000
CY2020Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	31787000
CY2021Q1	us-gaap	Liabilities Current LiabilitiesCurrent	5808000
CY2020Q1	us-gaap	Liabilities Current LiabilitiesCurrent	6359000
CY2021Q1	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	1000000
CY2020Q1	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	2000000
CY2021Q1	us-gaap	Long Term Debt LongTermDebt	6173000
CY2021Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	2210000
CY2020Q1	us-gaap	Long Term Debt Current LongTermDebtCurrent	2689000
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	2536000
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1210000
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	321000
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	304000
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	1287000
CY2021Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	515000
CY2021Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	4823000
CY2020Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	6009000
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-290000
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	558000
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	824000
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-760000
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-224000
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-531000
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	2400000
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	1243000
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-847000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	920000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	387000
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-3596000
CY2020Q2	us-gaap	Net Income Loss NetIncomeLoss	138000
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	155000
CY2020Q4	us-gaap	Net Income Loss NetIncomeLoss	827000
CY2021Q1	us-gaap	Net Income Loss NetIncomeLoss	-200000
CY2019Q2	us-gaap	Net Income Loss NetIncomeLoss	-133000
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	228000
CY2019Q4	us-gaap	Net Income Loss NetIncomeLoss	171000
CY2020Q1	us-gaap	Net Income Loss NetIncomeLoss	121000
CY2021	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	920000
CY2020	us-gaap	Net Income Loss Attributable To Parent Diluted NetIncomeLossAttributableToParentDiluted	387000
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1
CY2019	us-gaap	Noncash Or Part Noncash Acquisition Value Of Assets Acquired1 NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1	495000
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	839000
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-657000
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-582000
CY2021	us-gaap	Operating Expenses OperatingExpenses	11033000
CY2020	us-gaap	Operating Expenses OperatingExpenses	11647000
CY2019	us-gaap	Operating Expenses OperatingExpenses	13463000
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	84000
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	1053000
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	-2997000
CY2021	us-gaap	Operating Lease Cost OperatingLeaseCost	591000
CY2020	us-gaap	Operating Lease Cost OperatingLeaseCost	592000
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	616000
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	623000
CY2019	us-gaap	Operating Lease Expense OperatingLeaseExpense	588000
CY2021Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	3518000
CY2020Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	3838000
CY2021Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	343000
CY2020Q1	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	319000
CY2021Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	3175000
CY2020Q1	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	3519000
CY2021Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3517000
CY2020Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3834000
CY2020Q1	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.075
CY2021Q1	us-gaap	Preferred Stock Value PreferredStockValue
CY2020Q1	us-gaap	Preferred Stock Value PreferredStockValue
CY2021Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	488000
CY2020Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	504000
CY2021	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt	1381000
CY2020	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt
CY2021Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P13Y182D
CY2020Q1	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P13Y328D
CY2021Q1	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	16411000
CY2021Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	139000
CY2020Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	177000
CY2021Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	120000
CY2020Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	183000
CY2021Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	32000
CY2020Q1	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	54000
CY2021	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	760000
CY2020	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	224000
CY2019	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	431000
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	7000
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	31000
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	32000
CY2021	us-gaap	Payments To Acquire Buildings PaymentsToAcquireBuildings
CY2020	us-gaap	Payments To Acquire Buildings PaymentsToAcquireBuildings
CY2019	us-gaap	Payments To Acquire Buildings PaymentsToAcquireBuildings	100000
CY2021Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q1	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2021Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000
CY2020Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000
CY2021Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2020Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2021Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2020Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2019	us-gaap	Proceeds From Issuance Of Unsecured Debt ProceedsFromIssuanceOfUnsecuredDebt
CY2021	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt
CY2020	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt	1500000
CY2019	us-gaap	Proceeds From Related Party Debt ProceedsFromRelatedPartyDebt
CY2021	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-1000000
CY2020	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit
CY2019	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	1500000
CY2021Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	34131000
CY2020Q1	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	33946000
CY2021Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	12136000
CY2020Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	8571000
CY2020Q4	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	6985000
CY2020Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	13042000
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	46000
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts
CY2021Q1	us-gaap	Purchase Obligation PurchaseObligation	1005000
CY2020Q1	us-gaap	Purchase Obligation PurchaseObligation	825000
CY2019Q1	us-gaap	Purchase Obligation PurchaseObligation	951000
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	670000
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	611000
CY2019	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	576000
CY2015Q3	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	500000
CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	639000
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	608000
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	923000
CY2021Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-16348000
CY2020Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-17268000
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	32345000
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	31899000
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	30202000
CY2020Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	7351000
CY2021Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	9438000
CY2021	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	32345000
CY2019Q2	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	8071000
CY2019Q3	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	7690000
CY2019Q4	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	7504000
CY2020Q1	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	8634000
CY2020	us-gaap	Revenue From Contract With Customer Including Assessed Tax RevenueFromContractWithCustomerIncludingAssessedTax	31899000
CY2021	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	5518000
CY2020	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	5758000
CY2019	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	6822000
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	214000
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	577000
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	322000
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	6000
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	169000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Total Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodTotalFairValue	72000
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice	1.20
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice	1.10
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExercisePrice	3
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.5444
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.5061
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.4994
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.004
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.0147
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.024
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	1650000
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	1121991
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	249300
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	4.29
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	6000
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	1000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	77000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	50000
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Expirations In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExpirationsInPeriod	120000
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	104388
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	55000
CY2019	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	50000
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	5000
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	130000
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	1.20
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	675300
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	129700
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	589400
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	539800
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	318300
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	374300
CY2018Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	4.06
CY2019Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	4.06
CY2020Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	4.08
CY2021Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	3.64
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	2.17
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	2.08
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	3.59
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	4.82
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Expirations In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExpirationsInPeriodWeightedAverageExercisePrice	3.53
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	4.58
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	3.13
CY2019	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	3
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	2.35
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	2.11
CY2021Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	249300
CY2021Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	374300
CY2021Q1	us-gaap	Share Price SharePrice	3.30
CY2020Q1	us-gaap	Share Price SharePrice	2.06
CY2019Q1	us-gaap	Share Price SharePrice	3.24
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y73D
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y328D
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P6Y109D
CY2021Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	10450
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P1Y73D
CY2020Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	37500
CY2021Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	125000
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	37500
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue	1.52
CY2020Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	1.52
CY2021Q1	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	1.19
CY2018	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y328D
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P4Y328D
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y328D
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	5000
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	1.27
CY2021Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	4.29
CY2021Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	3.64
CY2021	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P3Y328D
CY2021Q1	us-gaap	Short Term Non Bank Loans And Notes Payable ShortTermNonBankLoansAndNotesPayable
CY2020Q1	us-gaap	Short Term Non Bank Loans And Notes Payable ShortTermNonBankLoansAndNotesPayable	38000
CY2019	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	49600
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	2112
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	19000
CY2019	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	-32000
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	-31000
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Gross StockIssuedDuringPeriodValueRestrictedStockAwardGross	-7000
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	108000
CY2020Q1	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	4000
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	68000
CY2021Q1	us-gaap	Stockholders Equity StockholdersEquity	17041000
CY2020Q1	us-gaap	Stockholders Equity StockholdersEquity	15846000
CY2018Q1	us-gaap	Stockholders Equity StockholdersEquity	18107000
CY2019Q1	us-gaap	Stockholders Equity StockholdersEquity	14909000
CY2021Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0
CY2020Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0
CY2021Q1	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style="display: inline; font-family: times new roman; font-size: 10pt"><div style=" font-family: "Times New Roman"; font-size: 10pt; font-variant: normal; margin: 0pt;"><div style="display: inline; font-weight: bold;">Use of Estimates</div></div> <div style=" font-family:'Times New Roman';font-size:10pt;font-variant:normal;margin:0pt;"> </div> <div style=" font-family: "Times New Roman"; font-size: 10pt; font-variant: normal; text-align: justify; margin: 0pt; text-indent: 36pt;">The preparation of financial statements in conformity with accounting principles generally accepted in the United States ("GAAP") requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosures of any contingent assets and liabilities as of the date of the financial statements and the reported amounts of revenues and expenses during the periods reported.  Management reviews these estimates and assumptions periodically and reflects the effect of revisions in the period that they are determined to be necessary.  Actual results could differ from those estimates and assumptions.</div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
CY2021	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	130000
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	5000
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6200000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5961000
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5819000
CY2019	us-gaap	Weighted Average Number Of Share Outstanding Basic And Diluted WeightedAverageNumberOfShareOutstandingBasicAndDiluted	5819000
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6070000
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5956000
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5819000

Files In Submission

Name	View Source	Status
0001437749-21-015361-index-headers.html	Edgar Link	pending
0001437749-21-015361-index.html	Edgar Link	pending
0001437749-21-015361.txt	Edgar Link	pending
0001437749-21-015361-xbrl.zip	Edgar Link	pending
cyan-20210331.xml	Edgar Link	completed
cyan-20210331.xsd	Edgar Link	pending
cyan-20210331_cal.xml	Edgar Link	unprocessable
cyan-20210331_def.xml	Edgar Link	unprocessable
cyan-20210331_lab.xml	Edgar Link	unprocessable
cyan-20210331_pre.xml	Edgar Link	unprocessable
cyan20210331_10k.htm	Edgar Link	pending
ex_256832.htm	Edgar Link	pending
ex_256833.htm	Edgar Link	pending
ex_256834.htm	Edgar Link	pending
ex_256835.htm	Edgar Link	pending
ex_256836.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
image01.jpg	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
R50.htm	Edgar Link	pending
R51.htm	Edgar Link	pending
R52.htm	Edgar Link	pending
R53.htm	Edgar Link	pending
R54.htm	Edgar Link	pending
R55.htm	Edgar Link	pending
R56.htm	Edgar Link	pending
R57.htm	Edgar Link	pending
R58.htm	Edgar Link	pending
R59.htm	Edgar Link	pending
R6.htm	Edgar Link	pending
R60.htm	Edgar Link	pending
R61.htm	Edgar Link	pending
R62.htm	Edgar Link	pending
R63.htm	Edgar Link	pending
R64.htm	Edgar Link	pending
R65.htm	Edgar Link	pending
R66.htm	Edgar Link	pending
R67.htm	Edgar Link	pending
R68.htm	Edgar Link	pending
R69.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R70.htm	Edgar Link	pending
R71.htm	Edgar Link	pending
R72.htm	Edgar Link	pending
R73.htm	Edgar Link	pending
R74.htm	Edgar Link	pending
R75.htm	Edgar Link	pending
R76.htm	Edgar Link	pending
R77.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$CYAN
CYANOTECH CORP Stock $cyan

2021 Q1 Form 10-K Financial Statement

#000143774921015361 Filed on June 22, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CYAN CYANOTECH CORP Stock $cyan

2021 Q1 Form 10-K Financial Statement

#000143774921015361 Filed on June 22, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CYAN
CYANOTECH CORP Stock $cyan