$AMS
AMERICAN SHARED HOSPITAL SERVICES Stock $ams

$ams Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000143774922007687 Filed on March 30, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$4.689M	$17.63M	$4.608M
YoY Change	1.76%	-1.17%	-3.72%
Cost Of Revenue	$2.471M	$10.90M	$3.581M
YoY Change	-31.0%	-18.47%	7.06%
Gross Profit	$2.218M	$6.726M	$1.027M
YoY Change	115.97%	50.6%	-28.73%
Gross Profit Margin	47.3%	38.16%	22.29%
Selling, General & Admin	$1.238M	$4.531M	$1.052M
YoY Change	17.68%	-1.67%	22.47%
% of Gross Profit	55.82%	67.37%	102.43%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$1.222M	$4.972M	$1.761M
YoY Change	-30.61%	-28.67%	7.44%
% of Gross Profit	55.09%	73.92%	171.47%
Operating Expenses	$1.238M	$4.531M	$1.052M
YoY Change	17.68%	-1.67%	22.47%
Operating Profit	$980.0K	$1.351M	-$25.00K
YoY Change	-4020.0%	-114.28%	-104.3%
Interest Expense	-$155.0K	$739.0K	-$251.0K
YoY Change	-38.25%	-30.09%	-16.89%
% of Operating Profit	-15.82%	54.7%
Other Income/Expense, Net
YoY Change
Pretax Income	$720.0K	$947.0K	-$8.540M
YoY Change	-108.43%	-110.02%	-3150.0%
Income Tax	$270.0K	$269.0K	-$1.545M
% Of Pretax Income	37.5%	28.41%
Net Earnings	$219.0K	$194.0K	-$6.231M
YoY Change	-103.51%	-102.75%	-3328.5%
Net Earnings / Revenue	4.67%	1.1%	-135.22%
Basic Earnings Per Share		$0.03
Diluted Earnings Per Share	$32.38K	$0.03	-$951.6K
COMMON SHARES
Basic Shares Outstanding	5.868M	6.044M	5.761M shares
Diluted Shares Outstanding		6.059M

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$8.145M	$8.145M	$3.961M
YoY Change	105.63%	105.63%	177.19%
Cash & Equivalents	$8.145M	$8.145M	$3.961M
Short-Term Investments
Other Short-Term Assets	$2.118M	$2.118M	$2.314M
YoY Change	-8.47%	-8.47%	2.84%
Inventory
Prepaid Expenses
Receivables	$4.211M	$4.211M	$4.303M
Other Receivables	$613.0K	$613.0K	$272.0K
Total Short-Term Assets	$15.09M	$15.09M	$10.85M
YoY Change	39.05%	39.05%	1.01%
LONG-TERM ASSETS
Property, Plant & Equipment	$28.93M	$28.93M	$30.42M
YoY Change	-4.9%	-7.65%	-26.67%
Goodwill	$1.265M		$1.265M
YoY Change	0.0%
Intangibles	$78.00K		$78.00K
YoY Change	0.0%
Long-Term Investments
YoY Change
Other Assets	$73.00K	$73.00K	$137.0K
YoY Change	-46.72%	-46.72%	-69.89%
Total Long-Term Assets	$30.34M	$30.34M	$32.80M
YoY Change	-7.5%	-7.5%	-23.79%
TOTAL ASSETS
Total Short-Term Assets	$15.09M	$15.09M	$10.85M
Total Long-Term Assets	$30.34M	$30.34M	$32.80M
Total Assets	$45.43M	$45.43M	$43.65M
YoY Change	4.07%	4.07%	-18.83%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$318.0K	$746.0K	$683.0K
YoY Change	-53.44%	9.22%	22.62%
Accrued Expenses	$3.211M	$3.211M	$2.755M
YoY Change	16.55%	16.55%	51.62%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$471.0K
YoY Change	-100.0%		-0.84%
Long-Term Debt Due	$1.081M	$1.081M	$1.157M
YoY Change	-6.57%	-84.78%	-24.18%
Total Short-Term Liabilities	$5.891M	$5.891M	$12.38M
YoY Change	-52.42%	-52.42%	50.72%
LONG-TERM LIABILITIES
Long-Term Debt	$14.32M	$14.32M	$3.440M
YoY Change	316.37%	123.31%	76.05%
Other Long-Term Liabilities	$499.0K	$499.0K	$791.0K
YoY Change	-36.92%	-36.92%	-28.93%
Total Long-Term Liabilities	$14.32M	$14.82M	$3.440M
YoY Change	316.37%	105.72%	76.05%
TOTAL LIABILITIES
Total Short-Term Liabilities	$5.891M	$5.891M	$12.38M
Total Long-Term Liabilities	$14.32M	$14.82M	$3.440M
Total Liabilities	$21.19M	$25.54M	$15.82M
YoY Change	33.95%	4.75%	55.59%
SHAREHOLDERS EQUITY
Retained Earnings	$1.691M		$1.497M
YoY Change	12.96%		-82.5%
Common Stock	$18.20M		$17.78M
YoY Change	2.39%		1.71%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$19.89M	$19.89M	$19.27M
YoY Change
Total Liabilities & Shareholders Equity	$45.43M	$45.43M	$43.65M
YoY Change	4.07%	4.07%	-18.83%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	$219.0K	$194.0K	-$6.231M
YoY Change	-103.51%	-102.75%	-3328.5%
Depreciation, Depletion And Amortization	$1.222M	$4.972M	$1.761M
YoY Change	-30.61%	-28.67%	7.44%
Cash From Operating Activities	$3.124M	$6.267M	$1.688M
YoY Change	85.07%	-35.69%	-12.08%
INVESTING ACTIVITIES
Capital Expenditures	-$1.327M	$1.674M	-$127.0K
YoY Change	944.88%	267.91%	25.74%
Acquisitions		$0.00
YoY Change		-100.0%
Other Investing Activities	$0.00	$0.00	$0.00
YoY Change		-100.0%	-100.0%
Cash From Investing Activities	-$1.327M	-$1.674M	-$127.0K
YoY Change	944.88%	-29.93%	-51.34%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net		$3.927M
YoY Change		127.52%
Cash From Financing Activities	-702.0K	-$655.0K	-1.219M
YoY Change	-42.41%	-86.38%	-20.17%
NET CHANGE
Cash From Operating Activities	3.124M	$6.267M	1.688M
Cash From Investing Activities	-1.327M	-$1.674M	-127.0K
Cash From Financing Activities	-702.0K	-$655.0K	-1.219M
Net Change In Cash	1.095M	$3.938M	342.0K
YoY Change	220.18%	54.67%	159.09%
FREE CASH FLOW
Cash From Operating Activities	$3.124M	$6.267M	$1.688M
Capital Expenditures	-$1.327M	$1.674M	-$127.0K
Free Cash Flow	$4.451M	$4.593M	$1.815M
YoY Change	145.23%	-50.56%	-10.19%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021	dei	Auditor Location AuditorLocation	Seattle, WA United States
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	100000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	100000	USD
CY2021Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2021Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2020Q4	us-gaap	Common Stock No Par Value CommonStockNoParValue	0
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	10000000
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	10000000
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	6049000
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	6049000
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	5791000
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	5791000
CY2020	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2020	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	8145000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3961000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	118000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	364000	USD
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	4211000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	4303000	USD
CY2021Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	613000	USD
CY2020Q4	us-gaap	Other Receivables Net Current OtherReceivablesNetCurrent	272000	USD
CY2021Q4	ams	Prepaid Maintenance Current PrepaidMaintenanceCurrent	1174000	USD
CY2020Q4	ams	Prepaid Maintenance Current PrepaidMaintenanceCurrent	1169000	USD
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	826000	USD
CY2020Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	781000	USD
CY2021Q4	us-gaap	Assets Current AssetsCurrent	15087000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	10850000	USD
CY2021Q4	ams	Property Plant And Equipment Net Excluding Land PropertyPlantAndEquipmentNetExcludingLand	28254000	USD
CY2020Q4	ams	Property Plant And Equipment Net Excluding Land PropertyPlantAndEquipmentNetExcludingLand	30418000	USD
CY2021Q4	us-gaap	Land Land	19000	USD
CY2020Q4	us-gaap	Land Land	19000	USD
CY2021Q4	us-gaap	Goodwill Goodwill	1265000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	1265000	USD
CY2021Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	78000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	78000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	654000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	886000	USD
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	73000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	137000	USD
CY2021Q4	us-gaap	Assets Assets	45430000	USD
CY2020Q4	us-gaap	Assets Assets	43653000	USD
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	746000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	683000	USD
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	423000	USD
CY2020Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	405000	USD
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2419000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2045000	USD
CY2021Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	757000	USD
CY2020Q4	us-gaap	Asset Retirement Obligation Current AssetRetirementObligationCurrent	1270000	USD
CY2021Q4	us-gaap	Accrued Income Taxes AccruedIncomeTaxes	96000	USD
CY2020Q4	us-gaap	Accrued Income Taxes AccruedIncomeTaxes	373000	USD
CY2021Q4	ams	Working Capital Payment Due WorkingCapitalPaymentDue	0	USD
CY2020Q4	ams	Working Capital Payment Due WorkingCapitalPaymentDue	197000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	369000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	305000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1081000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	1157000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	0	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	5945000	USD
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	5891000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	12380000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	359000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	581000	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	14323000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	3440000	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	0	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	2974000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	140000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	210000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	478000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	418000	USD
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	10758000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	10753000	USD
CY2021Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	7444000	USD
CY2020Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	7024000	USD
CY2021Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1691000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	1497000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	19893000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	19274000	USD
CY2021Q4	us-gaap	Minority Interest MinorityInterest	4346000	USD
CY2020Q4	us-gaap	Minority Interest MinorityInterest	4376000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	24239000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	23650000	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	45430000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	43653000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	17628000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	17837000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	17628000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	17837000	USD
CY2021	us-gaap	Direct Operating Maintenance Supplies Costs DirectOperatingMaintenanceSuppliesCosts	2490000	USD
CY2020	us-gaap	Direct Operating Maintenance Supplies Costs DirectOperatingMaintenanceSuppliesCosts	2385000	USD
CY2021	us-gaap	Cost Depreciation Amortization And Depletion CostDepreciationAmortizationAndDepletion	4856000	USD
CY2020	us-gaap	Cost Depreciation Amortization And Depletion CostDepreciationAmortizationAndDepletion	6789000	USD
CY2021	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	3556000	USD
CY2020	us-gaap	Other Cost Of Operating Revenue OtherCostOfOperatingRevenue	4197000	USD
CY2021	us-gaap	Cost Of Revenue CostOfRevenue	10902000	USD
CY2020	us-gaap	Cost Of Revenue CostOfRevenue	13371000	USD
CY2021	us-gaap	Gross Profit GrossProfit	6726000	USD
CY2020	us-gaap	Gross Profit GrossProfit	4466000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1737000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	678000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-7716000	USD
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	484000	USD
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-658000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	194000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-7058000	USD
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.14
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.14
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	31811000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	299000	USD
CY2020	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	761000	USD
CY2021	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	4531000	USD
CY2020	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	4608000	USD
CY2021	us-gaap	Interest Expense InterestExpense	739000	USD
CY2020	us-gaap	Interest Expense InterestExpense	1057000	USD
CY2021	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-105000	USD
CY2020	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-8264000	USD
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	1351000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-9463000	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-401000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2021	ams	Interest And Other Income Loss InterestAndOtherIncomeLoss	-3000	USD
CY2020	ams	Interest And Other Income Loss InterestAndOtherIncomeLoss	10000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	947000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-9453000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	269000	USD
CY2020	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	17000	USD
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures	-0	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-7716000	USD
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	23650000	USD
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	420000	USD
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	5000	USD
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	0	USD
CY2021	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	514000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	678000	USD
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	24239000	USD
CY2021	us-gaap	Profit Loss ProfitLoss	678000	USD
CY2020	us-gaap	Profit Loss ProfitLoss	-7716000	USD
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	4972000	USD
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	6970000	USD
CY2021	ams	Noncash Lease Expense NoncashLeaseExpense	309000	USD
CY2020	ams	Noncash Lease Expense NoncashLeaseExpense	288000	USD
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	59000	USD
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	0	USD
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	-105000	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	-8184000	USD
CY2021	ams	Operating Lease Sublease Impairment Loss Net Of Loss Recognized OperatingLeaseSubleaseImpairmentLossNetOfLossRecognized	74000	USD
CY2020	ams	Operating Lease Sublease Impairment Loss Net Of Loss Recognized OperatingLeaseSubleaseImpairmentLossNetOfLossRecognized	0	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-401000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-0	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	60000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-2162000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	420000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	299000	USD
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	42000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	65000	USD
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	519000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-2966000	USD
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-14000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-762000	USD
CY2021	ams	Increase Decrease In Accounts Payable Accrued Liabilities And Deferred Revenue IncreaseDecreaseInAccountsPayableAccruedLiabilitiesAndDeferredRevenue	851000	USD
CY2020	ams	Increase Decrease In Accounts Payable Accrued Liabilities And Deferred Revenue IncreaseDecreaseInAccountsPayableAccruedLiabilitiesAndDeferredRevenue	263000	USD
CY2021	us-gaap	Increase Decrease In Asset Retirement Obligations IncreaseDecreaseInAssetRetirementObligations	-618000	USD
CY2020	us-gaap	Increase Decrease In Asset Retirement Obligations IncreaseDecreaseInAssetRetirementObligations	0	USD
CY2021	ams	Increase Decrease In Lease Liabilities IncreaseDecreaseInLeaseLiabilities	-351000	USD
CY2020	ams	Increase Decrease In Lease Liabilities IncreaseDecreaseInLeaseLiabilities	-353000	USD
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	-230000	USD
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	179000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	6267000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	9745000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1674000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	455000	USD
CY2021	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	-0	USD
CY2020	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	2084000	USD
CY2021	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	0	USD
CY2020	us-gaap	Proceeds From Sale Of Machinery And Equipment ProceedsFromSaleOfMachineryAndEquipment	150000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1674000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-2389000	USD
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	3927000	USD
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1726000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	8919000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	3199000	USD
CY2021	ams	Proceeds From Financing From Acquisition ProceedsFromFinancingFromAcquisition	0	USD
CY2020	ams	Proceeds From Financing From Acquisition ProceedsFromFinancingFromAcquisition	1425000	USD
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	13897000	USD
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	0	USD
CY2021	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	401000	USD
CY2020	us-gaap	Payments Of Debt Extinguishment Costs PaymentsOfDebtExtinguishmentCosts	-0	USD
CY2021	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	514000	USD
CY2020	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	761000	USD
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	325000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	30000	USD
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2021	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	471000	USD
CY2020	us-gaap	Repayments Of Short Term Debt RepaymentsOfShortTermDebt	519000	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-655000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-4810000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	3938000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	2546000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	4325000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	1779000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	8263000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	4325000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	680000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	938000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	712000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	339000	USD
CY2021	ams	Lease Reassessment Right Of Use Assets And Lease Liabilities LeaseReassessmentRightOfUseAssetsAndLeaseLiabilities	0	USD
CY2020	ams	Lease Reassessment Right Of Use Assets And Lease Liabilities LeaseReassessmentRightOfUseAssetsAndLeaseLiabilities	67000	USD
CY2021	ams	Noncash Rightofuse Assets And Liabilities NoncashRightofuseAssetsAndLiabilities	151000	USD
CY2020	ams	Noncash Rightofuse Assets And Liabilities NoncashRightofuseAssetsAndLiabilities	135000	USD
CY2021	ams	Interest Capitalized To Property And Equipment InterestCapitalizedToPropertyAndEquipment	0	USD
CY2020	ams	Interest Capitalized To Property And Equipment InterestCapitalizedToPropertyAndEquipment	119000	USD
CY2021	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	0	USD
CY2020	us-gaap	Noncash Or Part Noncash Acquisition Fixed Assets Acquired1 NoncashOrPartNoncashAcquisitionFixedAssetsAcquired1	496000	USD
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1103000	USD
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	1184000	USD
CY2021	ams	Acquisition Of Insurance With Shortterm Financing AcquisitionOfInsuranceWithShorttermFinancing	0	USD
CY2020	ams	Acquisition Of Insurance With Shortterm Financing AcquisitionOfInsuranceWithShorttermFinancing	634000	USD
CY2021	ams	Payments For Working Capital PaymentsForWorkingCapital	0	USD
CY2020	ams	Payments For Working Capital PaymentsForWorkingCapital	43000	USD
CY2021	ams	Subsequent Working Capital Payment Accrued For Acquisition SubsequentWorkingCapitalPaymentAccruedForAcquisition	0	USD
CY2020	ams	Subsequent Working Capital Payment Accrued For Acquisition SubsequentWorkingCapitalPaymentAccruedForAcquisition	154000	USD
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;"/> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;"><b>Use of estimates in the preparation of financial statements</b> – In preparing the consolidated financial statements in conformity with accounting principles generally accepted in the United States of America, management makes estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the consolidated financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Significant accounting estimates reflected in the Company’s consolidated financial statements include the estimated useful lives of fixed assets and its salvage values, revenues and costs of sales for turn-key and revenue sharing arrangements. Actual results could differ from those estimates.</p>
CY2021	us-gaap	Advertising Expense AdvertisingExpense	211000	USD
CY2020	us-gaap	Advertising Expense AdvertisingExpense	237000	USD
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;"/> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;"><b>Business and credit risk</b> – The Company maintains its cash balances, which exceed federally insured limits, in financial institutions. The Company believes it is <em style="font: inherit;">not</em> exposed to any significant credit risk on cash, cash equivalents. The Company monitors the financial condition of the financial institutions it uses on a regular basis.</p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;"> </p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;">All of the Company’s revenue was provided by seventeen and eighteen customers in <em style="font: inherit;">2021</em> and <em style="font: inherit;">2020</em>, respectively. One customer accounted for approximately 34% and 35% of the Company’s total revenue in <em style="font: inherit;">2021</em> and <em style="font: inherit;">2020</em>. At <em style="font: inherit;"> December 31, 2021</em>, <span style="-sec-ix-hidden:c82652767">two</span> customers each individually accounted for 31% and 10% of total accounts receivable, respectively. At <em style="font: inherit;"> December 31, 2020</em>, <span style="-sec-ix-hidden:c82652776">four</span> customers each individually accounted for 11%, 11%, 11% and 20% of total accounts receivable, respectively. The Company performs credit evaluations of its customers and generally does <em style="font: inherit;">not</em> require collateral. The Company has <em style="font: inherit;">not</em> experienced significant losses related to receivables from individual customers or groups of customers in any particular geographic area.</p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;"> </p> <p style="font-family:Times New Roman;font-size:10pt;font-variant:normal;text-align:justify;margin:0pt;">All of the Company’s radiosurgery devices have been purchased through Elekta, to date. However, there are other manufacturers that also make radiosurgery devices.</p>
CY2021	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	0	USD
CY2020	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	119000	USD
CY2021	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-105000	USD
CY2020	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-8264000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Term Of Contract LesseeOperatingLeaseTermOfContract	P10Y
CY2021	us-gaap	Net Income Loss NetIncomeLoss	194000	USD
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.14
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-7058000	USD
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.14
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6044000
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	6182000
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	15000
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6059000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	6182000
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2020	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Lower Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeLowerRangeLimit	2.25
CY2020	us-gaap	Share Based Compensation Shares Authorized Under Stock Option Plans Exercise Price Range Upper Range Limit ShareBasedCompensationSharesAuthorizedUnderStockOptionPlansExercisePriceRangeUpperRangeLimit	3.90
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	pure
	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2	pure
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	17628000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	17837000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	194000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-7058000	USD
CY2021Q4	ams	Property Plant And Equipment Net Excluding Land PropertyPlantAndEquipmentNetExcludingLand	28254000	USD
CY2020Q4	ams	Property Plant And Equipment Net Excluding Land PropertyPlantAndEquipmentNetExcludingLand	30418000	USD
CY2020	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-8264000	USD
CY2021	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-105000	USD
CY2021	us-gaap	Goodwill And Intangible Asset Impairment GoodwillAndIntangibleAssetImpairment	0	USD
CY2021	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<b>Reclassifications</b> – Certain comparative balances as of and for the year ended <em style="font: inherit;"> December 31, 2020 </em>have been reclassified to make them consistent with the current year presentation.
CY2021Q4	ams	Property Plant And Equipment Gross Excluding Land PropertyPlantAndEquipmentGrossExcludingLand	73951000	USD
CY2020Q4	ams	Property Plant And Equipment Gross Excluding Land PropertyPlantAndEquipmentGrossExcludingLand	76157000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	45697000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	45739000	USD
CY2021Q4	ams	Property Plant And Equipment Net Excluding Land PropertyPlantAndEquipmentNetExcludingLand	28254000	USD
CY2020Q4	ams	Property Plant And Equipment Net Excluding Land PropertyPlantAndEquipmentNetExcludingLand	30418000	USD
CY2020	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-8264000	USD
CY2021	us-gaap	Gain Loss On Sales Of Assets And Asset Impairment Charges GainLossOnSalesOfAssetsAndAssetImpairmentCharges	-105000	USD
CY2021Q4	ams	Equipment Maintenance And Upgrades Current EquipmentMaintenanceAndUpgradesCurrent	1281000	USD
CY2020Q4	ams	Equipment Maintenance And Upgrades Current EquipmentMaintenanceAndUpgradesCurrent	0	USD
CY2021Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	340000	USD
CY2020Q4	us-gaap	Accrued Insurance Current AccruedInsuranceCurrent	471000	USD
CY2021Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	90000	USD
CY2020Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	211000	USD
CY2021Q4	ams	Accrued Operating Costs Current AccruedOperatingCostsCurrent	397000	USD
CY2020Q4	ams	Accrued Operating Costs Current AccruedOperatingCostsCurrent	703000	USD
CY2021Q4	ams	Accrued Liabilites Other Current AccruedLiabilitesOtherCurrent	311000	USD
CY2020Q4	ams	Accrued Liabilites Other Current AccruedLiabilitesOtherCurrent	660000	USD
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2419000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	2045000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	1157000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	1719000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	2094000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	2469000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	8094000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal After Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive	165000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	15698000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	654000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	728000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	406000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	302000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	58000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	766000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	38000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	728000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	269000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1737000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	9000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	209000	USD
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	93000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	88000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	107000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	117000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	209000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	414000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	98000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1909000	USD
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-18000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-266000	USD
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-20000	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	24000	USD
CY2021	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	60000	USD
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-2151000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	269000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1737000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	1055000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	564000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	1055000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	564000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	360000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	99000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Returns And Allowances DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances	41000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Returns And Allowances DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances	43000	USD
CY2021Q4	ams	Deferred Tax Assets Leasing Arrangements DeferredTaxAssetsLeasingArrangements	136000	USD
CY2020Q4	ams	Deferred Tax Assets Leasing Arrangements DeferredTaxAssetsLeasingArrangements	0	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	4000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards DeferredTaxAssetsTaxCreditCarryforwards	5000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	87000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	50000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	646000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Capital Loss Carryforwards DeferredTaxAssetsCapitalLossCarryforwards	627000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits Income Tax Penalties Accrued UnrecognizedTaxBenefitsIncomeTaxPenaltiesAccrued	28000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits Interest On Income Taxes Accrued UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued	0	USD
CY2021	ams	Effective Income Tax Rate Reconciliation Uncertain Tax Positions Amount EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsAmount	14000	USD
CY2020	ams	Effective Income Tax Rate Reconciliation Uncertain Tax Positions Amount EffectiveIncomeTaxRateReconciliationUncertainTaxPositionsAmount	16000	USD
CY2021	ams	Effective Income Tax Rate Reconciliation Capital Loss Carryforward Expiration Amount EffectiveIncomeTaxRateReconciliationCapitalLossCarryforwardExpirationAmount	0	USD
CY2020	ams	Effective Income Tax Rate Reconciliation Capital Loss Carryforward Expiration Amount EffectiveIncomeTaxRateReconciliationCapitalLossCarryforwardExpirationAmount	246000	USD
CY2021	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	19000	USD
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-243000	USD
CY2021	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	41000	USD
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	259000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	269000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-1737000	USD
CY2021	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	465000	USD
CY2020	us-gaap	Valuation Allowance Deferred Tax Asset Change In Amount ValuationAllowanceDeferredTaxAssetChangeInAmount	243000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	1274000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	824000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	697000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	678000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	577000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	146000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	478000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	418000	USD
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	478000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	418000	USD
CY2021Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	478000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	418000	USD
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2021	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	79000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-1844000	USD
CY2021	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	69000	USD
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-199000	USD
CY2021	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	28000	USD
CY2020	us-gaap	Income Tax Reconciliation Nondeductible Expense IncomeTaxReconciliationNondeductibleExpense	6000	USD
CY2021	ams	Effective Income Tax Rate Reconciliation Return To Provision Trueup Amount EffectiveIncomeTaxRateReconciliationReturnToProvisionTrueupAmount	19000	USD
CY2020	ams	Effective Income Tax Rate Reconciliation Return To Provision Trueup Amount EffectiveIncomeTaxRateReconciliationReturnToProvisionTrueupAmount	22000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	295000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	275000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	259000	USD
CY2021	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	20000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions	16000	USD
CY2021Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	295000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	275000	USD
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	43000
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	2.54
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	417000
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	2.79
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P1Y7M9D
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	2000	USD
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	6000
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	258000
CY2021	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	420000	USD
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	450000
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	2.78
CY2019	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P2Y5M8D
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	10000
CY2020	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	1.88
CY2020	ams	Sharebased Compensation Arrangement By Sharebased Payment Award Options Grants In Period Weighted Average Remaining Contractual Term SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodWeightedAverageRemainingContractualTerm	P7Y
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	2.92
CY2021	ams	Sharebased Compensation Arrangement By Sharebased Payment Award Options Grants In Period Weighted Average Remaining Contractual Term SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsGrantsInPeriodWeightedAverageRemainingContractualTerm	P7Y
CY2021	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	22000
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	2.65
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	334000
CY2021	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	2.81
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	67000
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	2.72
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P3Y3M29D
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	0	USD
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	405000
CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	2.80
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	58000
CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	2.72
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P2Y11M15D
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	1.10
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0.78
CY2021	ams	Options Issued During Period Cashless Stock Options Exercised OptionsIssuedDuringPeriodCashlessStockOptionsExercised	5000
CY2020	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercises In Period Total Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue	0	USD
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	5000	USD
CY2021	ams	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercises In Period Using Cash SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisesInPeriodUsingCash	2000
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	0	USD
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	25000
CY2019Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	1.40
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	10000
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0.78
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	23000
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	1.22
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	12000
CY2020Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	1.07
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	6000
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	1.10
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	9000
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	0.91
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	9000
CY2021Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	1.10
CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P7Y
CY2020	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Fair Value Assumptions Expected Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1	P7Y
CY2021	ams	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate	0.000	pure
CY2020	ams	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Forfeiture Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedForfeitureRate	0.000	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.40	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Volatility Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate	0.40	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Expected Dividend Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate	0	pure
CY2021	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.012	pure
CY2020	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions Risk Free Interest Rate ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate	0.004	pure
CY2021Q4	us-gaap	Stock Repurchase Program Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased	1000000
CY2021	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	0
CY2021Q4	us-gaap	Stock Repurchase Program Remaining Number Of Shares Authorized To Be Repurchased StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased	72000
CY2021	us-gaap	Defined Contribution Plan Employer Matching Contribution Percent DefinedContributionPlanEmployerMatchingContributionPercent	0.04	pure
CY2021	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	38000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	39000	USD
CY2021Q4	ams	Lessee Operating Lease Liability Payments Net Of Sublease Income Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDueNextTwelveMonths	406000	USD
CY2021Q4	ams	Lessee Operating Lease Liability Payments Net Of Sublease Income Due Year Two LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDueYearTwo	302000	USD
CY2021Q4	ams	Lessee Operating Lease Liability Payments Net Of Sublease Income Due Year Three LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDueYearThree	58000	USD
CY2021Q4	ams	Lessee Operating Lease Liability Payments Net Of Sublease Income Due LesseeOperatingLeaseLiabilityPaymentsNetOfSubleaseIncomeDue	766000	USD
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	377000	USD
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	404000	USD
CY2021Q4	ams	Number Of Purchase Commitments NumberOfPurchaseCommitments	2	pure
CY2021Q4	us-gaap	Contractual Obligation ContractualObligation	71584000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Next Twelve Months ContractualObligationDueInNextTwelveMonths	4510000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Second And Third Year ContractualObligationDueInSecondAndThirdYear	50352000	USD
CY2021Q4	us-gaap	Contractual Obligation Due In Fourth And Fifth Year ContractualObligationDueInFourthAndFifthYear	13923000	USD
CY2021Q4	us-gaap	Contractual Obligation Due After Fifth Year ContractualObligationDueAfterFifthYear	2799000	USD

Files In Submission

Name	View Source	Status
0001437749-22-007687-index-headers.html	Edgar Link	pending
0001437749-22-007687-index.html	Edgar Link	pending
0001437749-22-007687.txt	Edgar Link	pending
0001437749-22-007687-xbrl.zip	Edgar Link	pending
ams-20211231.xsd	Edgar Link	pending
ams-20211231_cal.xml	Edgar Link	unprocessable
ams-20211231_def.xml	Edgar Link	unprocessable
ams-20211231_lab.xml	Edgar Link	unprocessable
ams-20211231_pre.xml	Edgar Link	unprocessable
asha20211231_10k.htm	Edgar Link	pending
asha20211231_10k_htm.xml	Edgar Link	completed
ex_327963.htm	Edgar Link	pending
ex_327964.htm	Edgar Link	pending
ex_327965.htm	Edgar Link	pending
ex_327980.htm	Edgar Link	pending
ex_327981.htm	Edgar Link	pending
ex_352542.htm	Edgar Link	pending
ex_352848.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	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
R7.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

$AMS
AMERICAN SHARED HOSPITAL SERVICES Stock $ams

2021 Q4 Form 10-K Financial Statement

#000143774922007687 Filed on March 30, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMS AMERICAN SHARED HOSPITAL SERVICES Stock $ams

2021 Q4 Form 10-K Financial Statement

#000143774922007687 Filed on March 30, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMS
AMERICAN SHARED HOSPITAL SERVICES Stock $ams