$CYAN
CYANOTECH CORP Stock $cyan

$cyan Overview Financials Valuation SEC Filings Company Website

2013 Q1 Form 10-K Financial Statement

#000110465913051049 Filed on June 24, 2013

Income Statement

Concept	2013 Q1	2012 Q1	2012
Revenue	$6.897M	$5.986M	$24.63M
YoY Change	15.22%	14.67%	46.38%
Cost Of Revenue	$4.140M	$3.930M	$14.86M
YoY Change	5.34%	14.91%	41.68%
Gross Profit	$2.707M	$2.053M	$9.774M
YoY Change	31.86%	14.06%	54.14%
Gross Profit Margin	39.25%	34.3%	39.68%
Selling, General & Admin	$2.030M	$1.670M	$6.494M
YoY Change	21.56%	12.08%	35.07%
% of Gross Profit	74.99%	81.34%	66.44%
Research & Development	$80.00K	$80.00K	$320.0K
YoY Change	0.0%	60.0%	13.48%
% of Gross Profit	2.96%	3.9%	3.27%
Depreciation & Amortization	$230.0K	$190.0K	$695.0K
YoY Change	21.05%	-5.0%	12.64%
% of Gross Profit	8.5%	9.25%	7.11%
Operating Expenses	$2.100M	$1.760M	$6.871M
YoY Change	19.32%	13.55%	34.41%
Operating Profit	$607.0K	$293.0K	$2.903M
YoY Change	107.17%	17.2%	136.21%
Interest Expense	-$20.00K	-$20.00K	-$55.00K
YoY Change	0.0%	0.0%	-21.43%
% of Operating Profit	-3.29%	-6.83%	-1.89%
Other Income/Expense, Net		$10.00K	-$50.00K
YoY Change			-24.24%
Pretax Income	$510.0K	$300.0K	$2.853M
YoY Change	70.0%	36.36%	145.31%
Income Tax	-$2.080M	-$860.0K	-$779.0K
% Of Pretax Income	-407.84%	-286.67%	-27.3%
Net Earnings	$2.590M	$1.160M	$3.630M
YoY Change	123.28%	45.0%	109.83%
Net Earnings / Revenue	37.55%	19.38%	14.74%
Basic Earnings Per Share	$0.48	$0.21	$0.67
Diluted Earnings Per Share	$0.47	$0.20	$0.66
COMMON SHARES
Basic Shares Outstanding	5.464M shares	5.435M shares	5.414M shares
Diluted Shares Outstanding			5.534M shares

Balance Sheet

Concept	2013 Q1	2012 Q1	2012
SHORT-TERM ASSETS
Cash & Short-Term Investments	$4.360M	$5.060M	$5.060M
YoY Change	-13.83%	145.63%	145.63%
Cash & Equivalents	$4.364M	$5.061M	$5.060M
Short-Term Investments
Other Short-Term Assets	$370.0K	$440.0K	$440.0K
YoY Change	-15.91%	193.33%	193.33%
Inventory	$3.688M	$3.548M	$3.550M
Prepaid Expenses
Receivables	$3.766M	$2.373M	$2.370M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$12.19M	$11.42M	$11.42M
YoY Change	6.76%	34.64%	34.67%
LONG-TERM ASSETS
Property, Plant & Equipment	$11.83M	$5.834M	$5.830M
YoY Change	102.71%	28.02%	27.85%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$772.0K	$478.0K	$1.790M
YoY Change	61.51%	66.55%	118.29%
Total Long-Term Assets	$16.40M	$7.619M	$7.620M
YoY Change	115.2%	41.64%	41.64%
TOTAL ASSETS
Total Short-Term Assets	$12.19M	$11.42M	$11.42M
Total Long-Term Assets	$16.40M	$7.619M	$7.620M
Total Assets	$28.59M	$19.04M	$19.04M
YoY Change	50.16%	37.36%	37.37%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$1.852M	$1.726M	$1.730M
YoY Change	7.3%	63.76%	64.76%
Accrued Expenses	$872.0K	$1.352M	$1.350M
YoY Change	-35.5%	64.28%	64.63%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$128.0K	$234.0K	$230.0K
YoY Change	-45.3%	14.71%	15.0%
Total Short-Term Liabilities	$2.885M	$3.361M	$3.360M
YoY Change	-14.16%	53.05%	52.73%
LONG-TERM LIABILITIES
Long-Term Debt	$5.454M	$400.0K	$400.0K
YoY Change	1263.5%	-27.67%	-27.27%
Other Long-Term Liabilities	$20.00K	$10.00K	$10.00K
YoY Change	100.0%
Total Long-Term Liabilities	$5.454M	$400.0K	$410.0K
YoY Change	1263.5%	-27.67%	-25.45%
TOTAL LIABILITIES
Total Short-Term Liabilities	$2.885M	$3.361M	$3.360M
Total Long-Term Liabilities	$5.454M	$400.0K	$410.0K
Total Liabilities	$8.360M	$3.773M	$3.770M
YoY Change	121.57%	37.25%	37.09%
SHAREHOLDERS EQUITY
Retained Earnings	-$9.030M	-$13.19M
YoY Change	-31.56%	-21.46%
Common Stock	$29.19M	$28.43M
YoY Change	2.65%	1.87%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$20.16M	$15.24M	$15.27M
YoY Change
Total Liabilities & Shareholders Equity	$28.59M	$19.04M	$19.04M
YoY Change	50.16%	37.36%	37.37%

Cashflow Statement

Concept	2013 Q1	2012 Q1	2012
OPERATING ACTIVITIES
Net Income	$2.590M	$1.160M	$3.630M
YoY Change	123.28%	45.0%	109.83%
Depreciation, Depletion And Amortization	$230.0K	$190.0K	$695.0K
YoY Change	21.05%	-5.0%	12.64%
Cash From Operating Activities	$1.210M	$1.500M	$5.080M
YoY Change	-19.33%	0.0%	190.29%
INVESTING ACTIVITIES
Capital Expenditures	-$600.0K	-$590.0K	-$2.030M
YoY Change	1.69%	436.36%	298.04%
Acquisitions
YoY Change
Other Investing Activities	-$3.080M	$0.00	$0.00
YoY Change			-100.0%
Cash From Investing Activities	-$3.680M	-$590.0K	-$2.030M
YoY Change	523.73%	436.36%	680.77%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$30.00K
YoY Change			11.11%
Debt Paid & Issued, Net			$218.0K
YoY Change			-20.73%
Cash From Financing Activities	3.230M	-40.00K	-50.00K
YoY Change	-8175.0%	-20.0%	-79.17%
NET CHANGE
Cash From Operating Activities	1.210M	1.500M	5.080M
Cash From Investing Activities	-3.680M	-590.0K	-2.030M
Cash From Financing Activities	3.230M	-40.00K	-50.00K
Net Change In Cash	760.0K	870.0K	3.000M
YoY Change	-12.64%	-35.07%	140.0%
FREE CASH FLOW
Cash From Operating Activities	$1.210M	$1.500M	$5.080M
Capital Expenditures	-$600.0K	-$590.0K	-$2.030M
Free Cash Flow	$1.810M	$2.090M	$7.110M
YoY Change	-13.4%	29.81%	214.6%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2013Q1	cyan	Cash Fdic Insured Amount Limit Per Bank CashFDICInsuredAmountLimitPerBank	250000	USD
CY2013	cyan	Number Of Microalgal Species Cultivated NumberOfMicroalgalSpeciesCultivated	2	item
CY2013	cyan	Number Of Product Lines NumberOfProductLines	2	item
CY2013	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	item
CY2013	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	54000	USD
CY2013	cyan	Number Of Days Past Due Of Significant Individual Balances For Monthly Review Of Allowance For Doubtful Accounts NumberOfDaysPastDueOfSignificantIndividualBalancesForMonthlyReviewOfAllowanceForDoubtfulAccounts	P90D
CY2013	cyan	Inventory Abnormal Production Costs InventoryAbnormalProductionCosts	1157000	USD
CY2013	cyan	Noninventoriable Fixed Costs NoninventoriableFixedCosts	94000	USD
CY2012	cyan	Noninventoriable Fixed Costs NoninventoriableFixedCosts	53000	USD
CY2011	cyan	Noninventoriable Fixed Costs NoninventoriableFixedCosts	71000	USD
CY2013Q1	us-gaap	Asset Retirement Obligation AssetRetirementObligation	0	USD
CY2012Q1	us-gaap	Asset Retirement Obligation AssetRetirementObligation	0	USD
CY2013	us-gaap	Advertising Expense AdvertisingExpense	575000	USD
CY2012	us-gaap	Advertising Expense AdvertisingExpense	320000	USD
CY2011	us-gaap	Advertising Expense AdvertisingExpense	282000	USD
CY2013Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2012Q1	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	0	USD
CY2013Q1	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
CY2013Q1	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	9000	USD
CY2012Q1	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	115000	USD
CY2012Q1	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	41000	USD
CY2011	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	50000	USD
CY2013	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	-16000	USD
CY2012	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	-66000	USD
CY2011	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	115000	USD
CY2013	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	126000	USD
CY2012	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	672000	USD
CY2011	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-71000	USD
CY2013	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-480000	USD
CY2012	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	529000	USD
CY2011	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	102000	USD
CY2013	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	9000	USD
CY2012	us-gaap	Increase Decrease In Deferred Liabilities IncreaseDecreaseInDeferredLiabilities	12000	USD
CY2013	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	1897000	USD
CY2012	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	5082000	USD
CY2011	us-gaap	Net Cash Provided By Used In Operating Activities Continuing Operations NetCashProvidedByUsedInOperatingActivitiesContinuingOperations	1747000	USD
CY2013	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	3894000	USD
CY2012	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	2029000	USD
CY2012Q1	us-gaap	Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued	0	USD
CY2013	us-gaap	Extinguishment Of Debt Gain Loss Net Of Tax ExtinguishmentOfDebtGainLossNetOfTax	-51000	USD
CY2013	us-gaap	Use Of Estimates UseOfEstimates	<div style="font-size:10.0pt;font-family:Times New Roman;"> <p style="MARGIN: 0in 0in 0pt; TEXT-INDENT: 0.5in;"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;" size="2"> </font></p> <p style="MARGIN: 0in 0in 0pt;"><b><font style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;" size="2">Estimates and Assumptions</font></b></p> <p style="MARGIN: 0in 0in 0pt;"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;" size="2"> </font></p> <p style="MARGIN: 0in 0in 0pt; TEXT-INDENT: 0.5in;"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;" size="2">The preparation of the consolidated financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and the disclosure of any contingent assets and liabilities as of the date of the financial statements and the reported amounts of revenues and expenses during the period 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 significantly from those estimates and assumptions.  Significant estimates include inventory valuation and determination of production capacity and abnormal product costs, reserve for inventory, allowance for bad debts and valuation of deferred tax asset.</font></p> </div>
CY2013Q1	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	932000	USD
CY2012Q1	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	344000	USD
CY2013Q1	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	330000	USD
CY2012Q1	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	253000	USD
CY2013Q1	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	2164000	USD
CY2012Q1	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	2722000	USD
CY2013Q1	us-gaap	Inventory Supplies Net Of Reserves InventorySuppliesNetOfReserves	262000	USD
CY2012Q1	us-gaap	Inventory Supplies Net Of Reserves InventorySuppliesNetOfReserves	229000	USD
CY2013Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	4364000	USD
CY2012Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	5061000	USD
CY2013Q1	cyan	Property Plant And Equipment Gross Before Non Depreciable Items PropertyPlantAndEquipmentGrossBeforeNonDepreciableItems	15976000	USD
CY2013Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	10496000	USD
CY2013Q1	us-gaap	Construction In Progress Gross ConstructionInProgressGross	3355000	USD
CY2013Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	3766000	USD
CY2012Q1	cyan	Property Plant And Equipment Gross Before Non Depreciable Items PropertyPlantAndEquipmentGrossBeforeNonDepreciableItems	14373000	USD
CY2012Q1	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	9867000	USD
CY2012Q1	us-gaap	Construction In Progress Gross ConstructionInProgressGross	1328000	USD
CY2012Q1	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	2373000	USD
CY2013Q1	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	97000	USD
CY2012Q1	us-gaap	Capital Leased Assets Gross CapitalLeasedAssetsGross	97000	USD
CY2013Q1	us-gaap	Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation	58000	USD
CY2012Q1	us-gaap	Capital Leases Lessee Balance Sheet Assets By Major Class Accumulated Deprecation CapitalLeasesLesseeBalanceSheetAssetsByMajorClassAccumulatedDeprecation	39000	USD
CY2013	us-gaap	Sales Revenue Net SalesRevenueNet	27581000	USD
CY2012	us-gaap	Sales Revenue Net SalesRevenueNet	24631000	USD
CY2011	us-gaap	Sales Revenue Net SalesRevenueNet	16827000	USD
CY2013Q1	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	623000	USD
CY2012Q1	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	491000	USD
CY2012Q1	us-gaap	Accrued Bonuses Current AccruedBonusesCurrent	642000	USD
CY2013Q1	us-gaap	Accrued Marketing Costs Current AccruedMarketingCostsCurrent	109000	USD
CY2012Q1	us-gaap	Accrued Marketing Costs Current AccruedMarketingCostsCurrent	69000	USD
CY2013Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	140000	USD
CY2012Q1	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	150000	USD
CY2013Q1	us-gaap	Inventory Net InventoryNet	3688000	USD
CY2012Q1	us-gaap	Inventory Net InventoryNet	3548000	USD
CY2013Q1	cyan	Long Term Debt And Capital Lease Obligations Current And Noncurrent LongTermDebtAndCapitalLeaseObligationsCurrentAndNoncurrent	5582000	USD
CY2012Q1	cyan	Long Term Debt And Capital Lease Obligations Current And Noncurrent LongTermDebtAndCapitalLeaseObligationsCurrentAndNoncurrent	634000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	110000	USD
CY2012Q1	us-gaap	Deferred Tax Assets Net Current DeferredTaxAssetsNetCurrent	137000	USD
CY2013Q1	us-gaap	Long Term Debt LongTermDebt	5454000	USD
CY2012Q1	us-gaap	Long Term Debt LongTermDebt	400000	USD
CY2013Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	128000	USD
CY2013Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	204000	USD
CY2013Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	203000	USD
CY2013Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	199000	USD
CY2013Q1	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	206000	USD
CY2013	cyan	Operating Leases Term OperatingLeasesTerm	P40Y
CY2013	us-gaap	Operating Leases Rent Expense Contingent Rentals OperatingLeasesRentExpenseContingentRentals	75000	USD
CY2012	us-gaap	Operating Leases Rent Expense Contingent Rentals OperatingLeasesRentExpenseContingentRentals	188000	USD
CY2011	us-gaap	Operating Leases Rent Expense Contingent Rentals OperatingLeasesRentExpenseContingentRentals	96000	USD
CY2013	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	602000	USD
CY2012	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	509000	USD
CY2011	us-gaap	Operating Leases Rent Expense Net OperatingLeasesRentExpenseNet	370000	USD
CY2013Q1	us-gaap	Operating Leases Future Minimum Payments Due Current OperatingLeasesFutureMinimumPaymentsDueCurrent	468000	USD
CY2013Q1	us-gaap	Operating Leases Future Minimum Payments Due In Two Years OperatingLeasesFutureMinimumPaymentsDueInTwoYears	480000	USD
CY2013Q1	us-gaap	Operating Leases Future Minimum Payments Due In Three Years OperatingLeasesFutureMinimumPaymentsDueInThreeYears	409000	USD
CY2013Q1	us-gaap	Operating Leases Future Minimum Payments Due In Four Years OperatingLeasesFutureMinimumPaymentsDueInFourYears	309000	USD
CY2013Q1	us-gaap	Operating Leases Future Minimum Payments Due In Five Years OperatingLeasesFutureMinimumPaymentsDueInFiveYears	299000	USD
CY2013Q1	us-gaap	Operating Leases Future Minimum Payments Due Thereafter OperatingLeasesFutureMinimumPaymentsDueThereafter	5311000	USD
CY2013Q1	us-gaap	Operating Leases Future Minimum Payments Due OperatingLeasesFutureMinimumPaymentsDue	7276000	USD
CY2013Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Outstanding Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfOutstandingOptions	1495856	shares
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	1495856	shares
CY2013	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Remaining Contractual Term2 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageRemainingContractualTerm2	P8Y3M18D
CY2013Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Outstanding Options Weighted Average Exercise Price Beginning Balance1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeOutstandingOptionsWeightedAverageExercisePriceBeginningBalance1	4.03
CY2013Q1	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Number Of Exercisable Options ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeNumberOfExercisableOptions	338290	shares
CY2013Q1	us-gaap	Sharebased Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Exercisable Options Weighted Average Exercise Price1 SharebasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeExercisableOptionsWeightedAverageExercisePrice1	3.12
CY2013Q1	cyan	Shares Authorized SharesAuthorized	60000000	shares
CY2013Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2013Q1	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	10000000	shares
CY2013Q1	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2013Q1	cyan	Number Of Shareholder Approved Share Based Compensation Plans NumberOfShareholderApprovedShareBasedCompensationPlans	2	item
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Authorized ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized	2275000	shares
CY2013Q1	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Number Of Shares Available For Grant ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant	541601	shares
CY2013Q1	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2013	us-gaap	Cost Of Goods Sold CostOfGoodsSold	16623000	USD
CY2012	us-gaap	Cost Of Goods Sold CostOfGoodsSold	14857000	USD
CY2011	us-gaap	Cost Of Goods Sold CostOfGoodsSold	10486000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	4209000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	3632000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Diluted NetIncomeLossAvailableToCommonStockholdersDiluted	1730000	USD
CY2013	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5455000	shares
CY2012	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5414000	shares
CY2011	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	5353000	shares
CY2013	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	200000	shares
CY2012	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	120000	shares
CY2011	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	60000	shares
CY2013	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5655000	shares
CY2012	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5534000	shares
CY2011	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	5413000	shares
CY2013	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.77
CY2012	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.67
CY2011	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.32
CY2013	cyan	Earnings Per Share Effect Of Dilutive Securities EarningsPerShareEffectOfDilutiveSecurities	-0.03
CY2012	cyan	Earnings Per Share Effect Of Dilutive Securities EarningsPerShareEffectOfDilutiveSecurities	-0.01
CY2013	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.74
CY2012	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.66
CY2011	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.32
CY2013Q1	us-gaap	Accrued Bonuses Current AccruedBonusesCurrent	0	USD
CY2013	us-gaap	Gross Profit GrossProfit	10958000	USD
CY2012	us-gaap	Gross Profit GrossProfit	9774000	USD
CY2011	us-gaap	Gross Profit GrossProfit	6341000	USD
CY2013Q1	us-gaap	Sales Revenue Goods Net Percentage SalesRevenueGoodsNetPercentage	1.00	pure
CY2012Q1	us-gaap	Sales Revenue Goods Net Percentage SalesRevenueGoodsNetPercentage	1.00	pure
CY2011Q1	us-gaap	Sales Revenue Goods Net Percentage SalesRevenueGoodsNetPercentage	1.00	pure
CY2013	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	53000	USD
CY2012	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	66000	USD
CY2011	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-17000	USD
CY2013	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	21000	USD
CY2012	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	47000	USD
CY2011	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2000	USD
CY2013	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	74000	USD
CY2012	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	113000	USD
CY2011	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-15000	USD
CY2013	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1894000	USD
CY2012	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-859000	USD
CY2011	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-492000	USD
CY2013	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-201000	USD
CY2012	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-33000	USD
CY2011	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-60000	USD
CY2013	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	4209000	USD
CY2012	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	3632000	USD
CY2011	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1730000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	3674000	USD
CY2013	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	4680000	USD
CY2012	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	4014000	USD
CY2013	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.34	pure
CY2012	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.34	pure
CY2011	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.34	pure
CY2013	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	744000	USD
CY2012	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	970000	USD
CY2011	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	395000	USD
CY2013	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	130000	USD
CY2012	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	68000	USD
CY2011	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-38000	USD
CY2013	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	1082000	USD
CY2012	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	1100000	USD
CY2011	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	357000	USD
CY2013	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-1912000	USD
CY2012	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-892000	USD
CY2011	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-552000	USD
CY2013	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	201000	USD
CY2012	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	97000	USD
CY2011	us-gaap	Income Tax Reconciliation Nondeductible Expense Share Based Compensation Cost IncomeTaxReconciliationNondeductibleExpenseShareBasedCompensationCost	-16000	USD
CY2013	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	-102000	USD
CY2012	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	78000	USD
CY2011	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	1000	USD
CY2012Q1	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	4546000	USD
CY2011	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	2822000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	134000	USD
CY2012Q1	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	322000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	14000	USD
CY2012Q1	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	41000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	156000	USD
CY2012Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.02
CY2012Q1	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2012Q1	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	5035000	USD
CY2012Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	11000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	3990000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	12000	USD
CY2012Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.21
CY2012Q1	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	2994000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	3990000	USD
CY2012Q1	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	2041000	USD
CY2013Q1	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	451000	USD
CY2012Q1	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	597000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	3539000	USD
CY2012Q1	us-gaap	Deferred Tax Assets Liabilities Net DeferredTaxAssetsLiabilitiesNet	1444000	USD
CY2013Q1	us-gaap	Operating Loss Carryforwards OperatingLossCarryforwards	9976000	USD
CY2012Q2	us-gaap	Sales Revenue Net SalesRevenueNet	6506000	USD
CY2012Q3	us-gaap	Sales Revenue Net SalesRevenueNet	6936000	USD
CY2012Q4	us-gaap	Sales Revenue Net SalesRevenueNet	7242000	USD
CY2013Q1	us-gaap	Sales Revenue Net SalesRevenueNet	6897000	USD
CY2011Q2	us-gaap	Sales Revenue Net SalesRevenueNet	5950000	USD
CY2011Q3	us-gaap	Sales Revenue Net SalesRevenueNet	5989000	USD
CY2011Q4	us-gaap	Sales Revenue Net SalesRevenueNet	6706000	USD
CY2012Q1	us-gaap	Sales Revenue Net SalesRevenueNet	5986000	USD
CY2012Q2	us-gaap	Gross Profit GrossProfit	2574000	USD
CY2012Q3	us-gaap	Gross Profit GrossProfit	2812000	USD
CY2012Q4	us-gaap	Gross Profit GrossProfit	2865000	USD
CY2013Q1	us-gaap	Gross Profit GrossProfit	2707000	USD
CY2013	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	3675000	USD
CY2011Q2	us-gaap	Gross Profit GrossProfit	2104000	USD
CY2011Q3	us-gaap	Gross Profit GrossProfit	2790000	USD
CY2011Q4	us-gaap	Gross Profit GrossProfit	2827000	USD
CY2012Q1	us-gaap	Gross Profit GrossProfit	2053000	USD
CY2012	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	2480000	USD
CY2012Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	493000	USD
CY2012Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	476000	USD
CY2012Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	607000	USD
CY2013Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	2633000	USD
CY2011Q2	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	486000	USD
CY2011Q3	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	875000	USD
CY2011Q4	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1113000	USD
CY2012Q1	us-gaap	Net Income Loss Available To Common Stockholders Basic NetIncomeLossAvailableToCommonStockholdersBasic	1158000	USD
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CY2012Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.09
CY2012Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.11
CY2013Q1	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.48
CY2011Q2	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.09
CY2011Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.16
CY2011Q4	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.21
CY2012Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2012Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.08
CY2012Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.11
CY2013Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.47
CY2011Q2	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.09
CY2011Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.16
CY2011Q4	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.20
CY2012Q1	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.20
CY2013Q1	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-1912000	USD
CY2012Q1	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-892000	USD
CY2013	dei	Entity Registrant Name EntityRegistrantName	CYANOTECH CORP
CY2013	dei	Entity Central Index Key EntityCentralIndexKey	0000768408
CY2013	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--03-31
CY2013Q2	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	5463938	shares
CY2013	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2013
CY2013	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2013	dei	Document Type DocumentType	10-K
CY2013	dei	Amendment Flag AmendmentFlag	false
CY2013	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2013	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2013	dei	Entity Filer Category EntityFilerCategory	Smaller Reporting Company
CY2012Q3	dei	Entity Public Float EntityPublicFloat	29559905	USD
CY2013	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2013Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	263000	USD
CY2012Q1	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	300000	USD
CY2013Q1	us-gaap	Assets Current AssetsCurrent	12191000	USD
CY2012Q1	us-gaap	Assets Current AssetsCurrent	11419000	USD
CY2013Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	8835000	USD
CY2012Q1	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	5834000	USD
CY2013Q1	us-gaap	Restricted Cash And Cash Equivalents RestrictedCashAndCashEquivalents	3360000	USD
CY2013Q1	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	3429000	USD
CY2012Q1	us-gaap	Deferred Tax Assets Net Noncurrent DeferredTaxAssetsNetNoncurrent	1307000	USD
CY2013Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	772000	USD
CY2012Q1	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	478000	USD
CY2013Q1	us-gaap	Assets Assets	28587000	USD
CY2012Q1	us-gaap	Assets Assets	19038000	USD
CY2013Q1	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	128000	USD
CY2012Q1	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	234000	USD
CY2013Q1	us-gaap	Customer Deposits Current CustomerDepositsCurrent	33000	USD
CY2012Q1	us-gaap	Customer Deposits Current CustomerDepositsCurrent	49000	USD
CY2013Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	1852000	USD
CY2012Q1	us-gaap	Accounts Payable Current AccountsPayableCurrent	1726000	USD
CY2013Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	872000	USD
CY2012Q1	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	1352000	USD
CY2013Q1	us-gaap	Liabilities Current LiabilitiesCurrent	2885000	USD
CY2012Q1	us-gaap	Liabilities Current LiabilitiesCurrent	3361000	USD
CY2013Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	5454000	USD
CY2012Q1	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	400000	USD
CY2013Q1	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	21000	USD
CY2012Q1	us-gaap	Deferred Rent Credit Noncurrent DeferredRentCreditNoncurrent	12000	USD
CY2013Q1	us-gaap	Liabilities Liabilities	8360000	USD
CY2012Q1	us-gaap	Liabilities Liabilities	3773000	USD
CY2012Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q1	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2013Q1	us-gaap	Common Stock Value CommonStockValue	109000	USD
CY2012Q1	us-gaap	Common Stock Value CommonStockValue	109000	USD
CY2013Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	29077000	USD
CY2012Q1	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	28324000	USD
CY2013Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-8959000	USD
CY2012Q1	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-13168000	USD
CY2013Q1	us-gaap	Stockholders Equity StockholdersEquity	20227000	USD
CY2012Q1	us-gaap	Stockholders Equity StockholdersEquity	15265000	USD
CY2013Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	28587000	USD
CY2012Q1	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	19038000	USD
CY2013Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	6000	USD
CY2012Q1	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	16000	USD
CY2013Q1	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.02
CY2012	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	42000	USD
CY2011	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	31000	USD
CY2013	us-gaap	Share Based Compensation ShareBasedCompensation	730000	USD
CY2012	us-gaap	Share Based Compensation ShareBasedCompensation	453000	USD
CY2011	us-gaap	Share Based Compensation ShareBasedCompensation	74000	USD
CY2013	us-gaap	Inventory Write Down InventoryWriteDown	-10000	USD
CY2012	us-gaap	Inventory Write Down InventoryWriteDown	-36000	USD
CY2013Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	5463938	shares
CY2013Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	5463938	shares
CY2012Q1	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	5440968	shares
CY2012Q1	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	5440968	shares
CY2011	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	1986000	USD
CY2013	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	258000	USD
CY2012	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	320000	USD
CY2011	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	282000	USD
CY2013	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-51000	USD
CY2013	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-46000	USD
CY2012	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-57000	USD
CY2013	us-gaap	Operating Expenses OperatingExpenses	8659000	USD
CY2012	us-gaap	Operating Expenses OperatingExpenses	6871000	USD
CY2011	us-gaap	Operating Expenses OperatingExpenses	5112000	USD
CY2013	us-gaap	Operating Income Loss OperatingIncomeLoss	2299000	USD
CY2012	us-gaap	Operating Income Loss OperatingIncomeLoss	2903000	USD
CY2011	us-gaap	Operating Income Loss OperatingIncomeLoss	1229000	USD
CY2013	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-60000	USD
CY2012	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-55000	USD
CY2011	us-gaap	Interest Income Expense Nonoperating Net InterestIncomeExpenseNonoperatingNet	-70000	USD
CY2012	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	5000	USD
CY2011	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	4000	USD
CY2013	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-111000	USD
CY2012	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-50000	USD
CY2011	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-66000	USD
CY2013	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2188000	USD
CY2012	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	2853000	USD
CY2011	us-gaap	Income Loss From Continuing Operations Before Income Taxes Minority Interest And Income Loss From Equity Method Investments IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments	1163000	USD
CY2013	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-2021000	USD
CY2012	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-779000	USD
CY2011	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-567000	USD
CY2011	us-gaap	Gain Loss On Disposition Of Assets GainLossOnDispositionOfAssets	-22000	USD
CY2013	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	847000	USD
CY2012	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	695000	USD
CY2011	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	617000	USD
CY2013	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	94000	USD
CY2011	us-gaap	Inventory Write Down InventoryWriteDown	48000	USD
CY2013	cyan	Provision For Inventory Reserve ProvisionForInventoryReserve	-32000	USD
CY2012	cyan	Provision For Inventory Reserve ProvisionForInventoryReserve	-107000	USD
CY2011	cyan	Provision For Inventory Reserve ProvisionForInventoryReserve	93000	USD
CY2013	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2095000	USD
CY2012	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-892000	USD
CY2011	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-552000	USD
CY2013	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	1382000	USD
CY2012	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-304000	USD
CY2011	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	625000	USD
CY2013	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	108000	USD
CY2012	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-186000	USD
CY2011	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-213000	USD
CY2013	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	92000	USD
CY2012	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	399000	USD
CY2011	us-gaap	Payments To Acquire Productive Assets PaymentsToAcquireProductiveAssets	514000	USD
CY2013	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	3360000	USD
CY2011	us-gaap	Increase Decrease In Restricted Cash IncreaseDecreaseInRestrictedCash	-250000	USD
CY2013	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-7254000	USD
CY2012	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-2029000	USD
CY2011	us-gaap	Net Cash Provided By Used In Investing Activities Continuing Operations NetCashProvidedByUsedInInvestingActivitiesContinuingOperations	-264000	USD
CY2013	cyan	Proceeds From Issuance Of Common Stock And Stock Options Exercised ProceedsFromIssuanceOfCommonStockAndStockOptionsExercised	23000	USD
CY2012	cyan	Proceeds From Issuance Of Common Stock And Stock Options Exercised ProceedsFromIssuanceOfCommonStockAndStockOptionsExercised	69000	USD
CY2011	cyan	Proceeds From Issuance Of Common Stock And Stock Options Exercised ProceedsFromIssuanceOfCommonStockAndStockOptionsExercised	187000	USD
CY2013	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	5531000	USD
CY2012	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	95000	USD
CY2013	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	635000	USD
CY2012	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	218000	USD
CY2011	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	275000	USD
CY2013	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	259000	USD
CY2011	us-gaap	Proceeds From Repayments Of Lines Of Credit ProceedsFromRepaymentsOfLinesOfCredit	-150000	USD
CY2013	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	4660000	USD
CY2012	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-54000	USD
CY2011	us-gaap	Net Cash Provided By Used In Financing Activities Continuing Operations NetCashProvidedByUsedInFinancingActivitiesContinuingOperations	-238000	USD
CY2013	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	-697000	USD
CY2012	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	2999000	USD
CY2011	us-gaap	Net Cash Provided By Used In Continuing Operations NetCashProvidedByUsedInContinuingOperations	1245000	USD
CY2013	us-gaap	Interest Paid InterestPaid	117000	USD
CY2012	us-gaap	Interest Paid InterestPaid	59000	USD
CY2011	us-gaap	Interest Paid InterestPaid	48000	USD
CY2013	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	73000	USD
CY2012	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	115000	USD
CY2011	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	15000	USD
CY2013	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1699000	USD
CY2012	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	95000	USD
CY2011Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	2062000	USD
CY2010Q1	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	817000	USD
CY2012	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	69000	USD
CY2012	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	423000	USD
CY2011	cyan	Stock Issued During Period Value Director Stock Grants StockIssuedDuringPeriodValueDirectorStockGrants	27000	USD
CY2011	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	187000	USD
CY2011	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	47000	USD
CY2010Q1	us-gaap	Stockholders Equity StockholdersEquity	9120000	USD
CY2011Q1	us-gaap	Stockholders Equity StockholdersEquity	11111000	USD
CY2013	cyan	Stock Issued During Period Value Director Stock Grants StockIssuedDuringPeriodValueDirectorStockGrants	74000	USD
CY2013	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	23000	USD
CY2013	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	656000	USD
CY2012	cyan	Stock Issued During Period Value Director Stock Grants StockIssuedDuringPeriodValueDirectorStockGrants	30000	USD
CY2013	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<div style="font-size:10.0pt;font-family:Times New Roman;"> <p style="MARGIN: 0in 0in 0pt;"><b><font style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;" size="2">Concentration of credit risk</font></b></p> <p style="MARGIN: 0in 0in 0pt;"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;" size="2"> </font></p> <p style="MARGIN: 0in 0in 0pt; TEXT-INDENT: 0.5in;"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;" size="2">The Company maintains its cash accounts with banks located in Hawaii. The total cash balances are insured by the Federal Deposit Insurance Corporation (“FDIC”) up to $250,000 per bank. The Company had cash balances on deposit with  Hawaiian banks at March 31, 2013 that exceeded the balance insured by the FDIC by $3,110,000 in one bank and $4,201,000 in the other.  No customers accounted for 10% of accounts receivable at March 31, 2013 and 2012.</font></p> <p style="MARGIN: 0in 0in 0pt; TEXT-INDENT: 0.5in;"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman;" size="2"> </font></p> </div>
CY2013Q1	cyan	Cash Uninsured Amount One CashUninsuredAmountOne	3110000	USD
CY2013Q1	cyan	Cash Uninsured Amount Two CashUninsuredAmountTwo	4201000	USD
CY2012	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	0	USD
CY2013	dei	Document Period End Date DocumentPeriodEndDate	2013-03-31
CY2013	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	696000	shares
CY2012	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	918000	shares
CY2011	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	9000	shares

Files In Submission

Name	View Source	Status
0001104659-13-051049-index-headers.html	Edgar Link	pending
0001104659-13-051049-index.html	Edgar Link	pending
0001104659-13-051049.txt	Edgar Link	pending
0001104659-13-051049-xbrl.zip	Edgar Link	pending
a13-9368_110k.htm	Edgar Link	pending
a13-9368_1ex23d1.htm	Edgar Link	pending
a13-9368_1ex31d1.htm	Edgar Link	pending
a13-9368_1ex31d2.htm	Edgar Link	pending
a13-9368_1ex32d1.htm	Edgar Link	pending
cyan-20130331.xml	Edgar Link	completed
cyan-20130331.xsd	Edgar Link	pending
cyan-20130331_cal.xml	Edgar Link	unprocessable
cyan-20130331_def.xml	Edgar Link	unprocessable
cyan-20130331_lab.xml	Edgar Link	unprocessable
cyan-20130331_pre.xml	Edgar Link	unprocessable
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xls	Edgar Link	pending
R1.htm	Edgar Link	pending
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report.css	Edgar Link	pending
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$CYAN
CYANOTECH CORP Stock $cyan

2013 Q1 Form 10-K Financial Statement

#000110465913051049 Filed on June 24, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CYAN CYANOTECH CORP Stock $cyan

2013 Q1 Form 10-K Financial Statement

#000110465913051049 Filed on June 24, 2013

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$CYAN
CYANOTECH CORP Stock $cyan