$AAOI
APPLIED OPTOELECTRONICS, INC. Stock $aaoi

$aaoi Overview Financials Valuation SEC Filings Company Website

2021 Q4 Form 10-K Financial Statement

#000143774922004349 Filed on February 24, 2022

Income Statement

Concept	2021 Q4	2021	2020 Q4
Revenue	$54.41M	$211.6M	$52.33M
YoY Change	3.98%	-9.83%	7.54%
Cost Of Revenue	$46.31M	$173.9M	$41.05M
YoY Change	12.82%	-5.56%	9.99%
Gross Profit	$8.095M	$37.72M	$11.28M
YoY Change	-28.22%	-25.38%	-0.52%
Gross Profit Margin	14.88%	17.83%	21.55%
Selling, General & Admin	$12.49M	$53.26M	$13.61M
YoY Change	-8.24%	-4.87%	6.4%
% of Gross Profit	154.29%	141.22%	120.71%
Research & Development	$9.230M	$41.22M	$10.83M
YoY Change	-14.74%	-5.01%	2.16%
% of Gross Profit	114.02%	109.29%	96.0%
Depreciation & Amortization	$6.183M	$24.80M	$6.380M
YoY Change	-3.09%	2.48%	5.8%
% of Gross Profit	76.38%	65.76%	56.58%
Operating Expenses	$21.72M	$94.48M	$24.44M
YoY Change	-11.12%	-4.93%	4.48%
Operating Profit	-$13.63M	-$56.77M	-$13.16M
YoY Change	3.53%	16.22%	9.18%
Interest Expense	-$1.204M	$5.620M	-$1.200M
YoY Change	0.33%	-0.27%	-20.0%
% of Operating Profit
Other Income/Expense, Net	$289.0K	$2.606M	-$274.0K
YoY Change	-205.47%	-209.4%	-75.29%
Pretax Income	-$14.54M	-$54.16M	-$13.44M
YoY Change	8.21%	5.73%	2.07%
Income Tax	$2.000K	$2.000K	$4.000K
% Of Pretax Income
Net Earnings	-$14.54M	-$54.16M	-$13.44M
YoY Change	8.19%	-7.34%	-62.07%
Net Earnings / Revenue	-26.72%	-25.6%	-25.68%
Basic Earnings Per Share		-$2.01	-$0.57
Diluted Earnings Per Share	-$533.1K	-$2.01	-$0.57
COMMON SHARES
Basic Shares Outstanding	27.30M	26.91M	22.98M
Diluted Shares Outstanding		26.91M

Balance Sheet

Concept	2021 Q4	2021	2020 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$34.66M	$34.66M	$43.40M
YoY Change	-20.15%	-20.15%	-27.67%
Cash & Equivalents	$34.66M	$34.66M	$43.43M
Short-Term Investments
Other Short-Term Assets	$10.81M	$10.81M	$11.90M
YoY Change	-9.13%	-9.13%	-8.46%
Inventory	$92.52M	$92.52M	$110.4M
Prepaid Expenses
Receivables	$47.94M	$47.94M	$43.04M
Other Receivables	$8.149M	$8.149M	$400.0K
Total Short-Term Assets	$194.1M	$194.1M	$209.2M
YoY Change	-7.21%	-7.23%	8.49%
LONG-TERM ASSETS
Property, Plant & Equipment	$243.0M	$250.2M	$253.0M
YoY Change	-3.93%	-4.08%	1.83%
Goodwill
YoY Change
Intangibles
YoY Change
Long-Term Investments
YoY Change
Other Assets	$518.0K	$6.374M	$982.0K
YoY Change	-47.25%	-6.26%	35.64%
Total Long-Term Assets	$260.4M	$260.4M	$271.6M
YoY Change	-4.14%	-4.13%	-0.87%
TOTAL ASSETS
Total Short-Term Assets	$194.1M	$194.1M	$209.2M
Total Long-Term Assets	$260.4M	$260.4M	$271.6M
Total Assets	$454.5M	$454.5M	$480.8M
YoY Change	-5.48%	-5.48%	2.99%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$34.40M	$34.40M	$29.48M
YoY Change	16.69%	16.62%	-10.19%
Accrued Expenses	$15.59M	$16.45M	$18.51M
YoY Change	-15.8%	-14.3%	3.62%
Deferred Revenue	$195.0K		$303.0K
YoY Change	-35.64%		-2.88%
Short-Term Debt	$8.198M	$8.198M	$15.90M
YoY Change	-48.44%	-48.44%	152.38%
Long-Term Debt Due	$49.69M	$49.71M	$38.27M
YoY Change	29.85%	29.79%	14.67%
Total Short-Term Liabilities	$109.0M	$109.0M	$103.1M
YoY Change	5.63%	5.68%	12.91%
LONG-TERM LIABILITIES
Long-Term Debt	$5.000M	$83.74M	$13.90M
YoY Change	-64.04%	-8.78%	-16.0%
Other Long-Term Liabilities	$7.189M	$7.189M	$7.900M
YoY Change	-9.0%	-9.0%	-1.25%
Total Long-Term Liabilities	$5.000M	$90.93M	$13.90M
YoY Change	-64.04%	-8.79%	-16.0%
TOTAL LIABILITIES
Total Short-Term Liabilities	$109.0M	$109.0M	$103.1M
Total Long-Term Liabilities	$5.000M	$90.93M	$13.90M
Total Liabilities	$199.9M	$199.9M	$202.9M
YoY Change	-1.49%	-1.48%	5.12%
SHAREHOLDERS EQUITY
Retained Earnings	-$142.7M		-$88.51M
YoY Change	61.19%		194.47%
Common Stock	$27.00K		$25.00K
YoY Change	8.0%		25.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)
YoY Change
Treasury Stock Shares
Shareholders Equity	$254.6M	$254.6M	$277.9M
YoY Change
Total Liabilities & Shareholders Equity	$454.5M	$454.5M	$480.8M
YoY Change	-5.48%	-5.48%	2.99%

Cashflow Statement

Concept	2021 Q4	2021	2020 Q4
OPERATING ACTIVITIES
Net Income	-$14.54M	-$54.16M	-$13.44M
YoY Change	8.19%	-7.34%	-62.07%
Depreciation, Depletion And Amortization	$6.183M	$24.80M	$6.380M
YoY Change	-3.09%	2.48%	5.8%
Cash From Operating Activities	-$261.0K	-$11.64M	-$14.10M
YoY Change	-98.15%	-73.54%	346.2%
INVESTING ACTIVITIES
Capital Expenditures	-$2.559M	$7.981M	-$3.770M
YoY Change	-32.12%	-49.47%	27.8%
Acquisitions
YoY Change
Other Investing Activities	-$78.00K	-$2.108M	-$490.0K
YoY Change	-84.08%	-31.11%	-77.42%
Cash From Investing Activities	-$2.637M	-$10.55M	-$4.270M
YoY Change	-38.24%	-45.49%	-16.6%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net		$15.40M
YoY Change		-60.72%
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-4.887M	$14.09M	10.46M
YoY Change	-146.72%	-70.3%	247.51%
NET CHANGE
Cash From Operating Activities	-261.0K	-$11.64M	-14.10M
Cash From Investing Activities	-2.637M	-$10.55M	-4.270M
Cash From Financing Activities	-4.887M	$14.09M	10.46M
Net Change In Cash	-7.785M	-$8.978M	-7.910M
YoY Change	-1.58%	-46.92%	50.09%
FREE CASH FLOW
Cash From Operating Activities	-$261.0K	-$11.64M	-$14.10M
Capital Expenditures	-$2.559M	$7.981M	-$3.770M
Free Cash Flow	$2.298M	-$19.63M	-$10.33M
YoY Change	-122.25%	-67.18%	4819.05%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2020Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.001
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2021	dei	Auditor Location AuditorLocation	Houston, Texas
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	30000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	62000	USD
CY2021Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000
CY2021Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	45000000
CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	45000000
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2020Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.001
CY2021Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	27323000
CY2021Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	27323000
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	25110000
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	25110000
CY2021	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2019	us-gaap	Asset Impairment Charges AssetImpairmentCharges	0	USD
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	500000	USD
CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	500000	USD
CY2021	us-gaap	Finite Lived Intangible Assets Remaining Amortization Period1 FiniteLivedIntangibleAssetsRemainingAmortizationPeriod1	P6Y
CY2020Q4	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	5400000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.21	pure
CY2021Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	0	USD
CY2021Q4	us-gaap	Undistributed Earnings Of Foreign Subsidiaries UndistributedEarningsOfForeignSubsidiaries	0	USD
CY2019Q4	us-gaap	Income Tax Examination Penalties And Interest Accrued IncomeTaxExaminationPenaltiesAndInterestAccrued	0	USD
CY2021	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	1	pure
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	34656000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	43425000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	6480000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	6689000	USD
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	47944000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	43042000	USD
CY2021Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	8148000	USD
CY2020Q4	us-gaap	Notes And Loans Receivable Net Current NotesAndLoansReceivableNetCurrent	401000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	92516000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	110397000	USD
CY2021Q4	us-gaap	Prepaid Taxes PrepaidTaxes	1000	USD
CY2020Q4	us-gaap	Prepaid Taxes PrepaidTaxes	2000	USD
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	4334000	USD
CY2020Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	5213000	USD
CY2021Q4	us-gaap	Assets Current AssetsCurrent	194079000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	209169000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	243035000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	252984000	USD
CY2021Q4	us-gaap	Indefinite Lived Contractual Rights IndefiniteLivedContractualRights	5856000	USD
CY2020Q4	us-gaap	Indefinite Lived Contractual Rights IndefiniteLivedContractualRights	5854000	USD
CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	7078000	USD
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	7729000	USD
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	57000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	88000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3836000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3999000	USD
CY2021Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	518000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	982000	USD
CY2021Q4	us-gaap	Assets Assets	454459000	USD
CY2020Q4	us-gaap	Assets Assets	480805000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	49689000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	38265000	USD
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	34402000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	29482000	USD
CY2021Q4	aaoi	Bank Acceptances Executed And Outstanding Current BankAcceptancesExecutedAndOutstandingCurrent	8198000	USD
CY2020Q4	aaoi	Bank Acceptances Executed And Outstanding Current BankAcceptancesExecutedAndOutstandingCurrent	15860000	USD
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1062000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	1012000	USD
CY2021Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	19000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	18000	USD
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	15587000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	18511000	USD
CY2021Q4	us-gaap	Liabilities Current LiabilitiesCurrent	108957000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	103148000	USD
CY2021Q4	us-gaap	Notes Payable To Bank Noncurrent NotesPayableToBankNoncurrent	5000000	USD
CY2020Q4	us-gaap	Notes Payable To Bank Noncurrent NotesPayableToBankNoncurrent	13904000	USD
CY2021Q4	us-gaap	Convertible Long Term Notes Payable ConvertibleLongTermNotesPayable	78680000	USD
CY2020Q4	us-gaap	Convertible Long Term Notes Payable ConvertibleLongTermNotesPayable	77854000	USD
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	7189000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	7926000	USD
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	63000	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	82000	USD
CY2021Q4	us-gaap	Liabilities Liabilities	199889000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	202914000	USD
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue		USD
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2021Q4	us-gaap	Common Stock Value CommonStockValue	27000	USD
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	25000	USD
CY2021Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	381143000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	354685000	USD
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CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-88509000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	254570000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	277891000	USD
CY2021Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	454459000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	480805000	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	211565000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	234623000	USD
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CY2021	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	173850000	USD
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CY2020	us-gaap	Gross Profit GrossProfit	50541000	USD
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CY2021	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	41220000	USD
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CY2020	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	14087000	USD
CY2019	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	10060000	USD
CY2021	us-gaap	General And Administrative Expense GeneralAndAdministrativeExpense	42362000	USD
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CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	-56766000	USD
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CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	-48747000	USD
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	70000	USD
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	255000	USD
CY2019	us-gaap	Investment Income Interest InvestmentIncomeInterest	925000	USD
CY2021	us-gaap	Interest Expense InterestExpense	5620000	USD
CY2020	us-gaap	Interest Expense InterestExpense	5635000	USD
CY2019	us-gaap	Interest Expense InterestExpense	5405000	USD
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	8156000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2998000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1840000	USD
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	2606000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2382000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-2640000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-54160000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-51224000	USD
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CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7228000	USD
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CY2021	us-gaap	Net Income Loss NetIncomeLoss	-54162000	USD
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CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	-49781000	USD
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CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	329094000	USD
CY2019	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	14000	USD
CY2019	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-897000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	11804000	USD
CY2019	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	-66221000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	273794000	USD
CY2020	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	39310000	USD
CY2020	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	30000	USD
CY2020	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-1097000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	13046000	USD
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	11260000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-58452000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	277891000	USD
CY2021	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	15289000	USD
CY2021	us-gaap	Stock Issued During Period Value Stock Options Exercised StockIssuedDuringPeriodValueStockOptionsExercised	8000	USD
CY2021	us-gaap	Stock Issued During Period Value Restricted Stock Award Net Of Forfeitures StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures	-958000	USD
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	12121000	USD
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax	4381000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-54162000	USD
CY2021Q4	us-gaap	Stockholders Equity StockholdersEquity	254570000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-54162000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-58452000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-66049000	USD
CY2021	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	-32000	USD
CY2020	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	32000	USD
CY2019	us-gaap	Provision For Doubtful Accounts ProvisionForDoubtfulAccounts	0	USD
CY2021	us-gaap	Inventory Lifo Reserve Period Charge InventoryLIFOReservePeriodCharge	3889000	USD
CY2020	us-gaap	Inventory Lifo Reserve Period Charge InventoryLIFOReservePeriodCharge	3930000	USD
CY2019	us-gaap	Inventory Lifo Reserve Period Charge InventoryLIFOReservePeriodCharge	6774000	USD
CY2021	us-gaap	Depreciation And Amortization DepreciationAndAmortization	25371000	USD
CY2020	us-gaap	Depreciation And Amortization DepreciationAndAmortization	24733000	USD
CY2019	us-gaap	Depreciation And Amortization DepreciationAndAmortization	24014000	USD
CY2021	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	865000	USD
CY2020	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	900000	USD
CY2019	us-gaap	Amortization Of Financing Costs AmortizationOfFinancingCosts	892000	USD
CY2021	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	0	USD
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	7348000	USD
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	14570000	USD
CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-1000	USD
CY2020	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-15000	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-13000	USD
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	12121000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	13046000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	11804000	USD
CY2021	aaoi	Interest For Extinguishment Of Debt Impact On Cash Flows From Operating Activities InterestForExtinguishmentOfDebtImpactOnCashFlowsFromOperatingActivities	70000	USD
CY2020	aaoi	Interest For Extinguishment Of Debt Impact On Cash Flows From Operating Activities InterestForExtinguishmentOfDebtImpactOnCashFlowsFromOperatingActivities	-0	USD
CY2019	aaoi	Interest For Extinguishment Of Debt Impact On Cash Flows From Operating Activities InterestForExtinguishmentOfDebtImpactOnCashFlowsFromOperatingActivities	-0	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	6229000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-0	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-0	USD
CY2021	us-gaap	Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax	-645000	USD
CY2020	us-gaap	Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax	1152000	USD
CY2019	us-gaap	Unrealized Gain Loss On Foreign Currency Derivatives Net Before Tax UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax	247000	USD
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	7020000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	8421000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4351000	USD
CY2021	us-gaap	Increase Decrease In Notes Receivables IncreaseDecreaseInNotesReceivables	7585000	USD
CY2020	us-gaap	Increase Decrease In Notes Receivables IncreaseDecreaseInNotesReceivables	389000	USD
CY2019	us-gaap	Increase Decrease In Notes Receivables IncreaseDecreaseInNotesReceivables	4000	USD
CY2021	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	-1000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	-188000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Taxes IncreaseDecreaseInPrepaidTaxes	-961000	USD
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-15786000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	23674000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1562000	USD
CY2021	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-867000	USD
CY2020	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-1220000	USD
CY2019	us-gaap	Increase Decrease In Other Current Assets IncreaseDecreaseInOtherCurrentAssets	-5514000	USD
CY2021	aaoi	Increase Decrease In Operating Right Of Use Asset IncreaseDecreaseInOperatingRightOfUseAsset	848000	USD
CY2020	aaoi	Increase Decrease In Operating Right Of Use Asset IncreaseDecreaseInOperatingRightOfUseAsset	407000	USD
CY2019	aaoi	Increase Decrease In Operating Right Of Use Asset IncreaseDecreaseInOperatingRightOfUseAsset	847000	USD
CY2021	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	7069000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	-3347000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable IncreaseDecreaseInAccountsPayable	3150000	USD
CY2021	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	1000	USD
CY2020	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	1000	USD
CY2019	us-gaap	Increase Decrease In Accrued Income Taxes Payable IncreaseDecreaseInAccruedIncomeTaxesPayable	0	USD
CY2021	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-3092000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	44000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	-308000	USD
CY2021	aaoi	Increase Decrease In Operating And Finance Lease Liability IncreaseDecreaseInOperatingAndFinanceLeaseLiability	-918000	USD
CY2020	aaoi	Increase Decrease In Operating And Finance Lease Liability IncreaseDecreaseInOperatingAndFinanceLeaseLiability	-438000	USD
CY2019	aaoi	Increase Decrease In Operating And Finance Lease Liability IncreaseDecreaseInOperatingAndFinanceLeaseLiability	-896000	USD
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-11644000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-44009000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-1754000	USD
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	7981000	USD
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	15795000	USD
CY2019	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	28789000	USD
CY2021	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	114000	USD
CY2020	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	216000	USD
CY2019	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	1000	USD
CY2021	us-gaap	Increase Decrease In Deposits Outstanding IncreaseDecreaseInDepositsOutstanding	2222000	USD
CY2020	us-gaap	Increase Decrease In Deposits Outstanding IncreaseDecreaseInDepositsOutstanding	3279000	USD
CY2019	us-gaap	Increase Decrease In Deposits Outstanding IncreaseDecreaseInDepositsOutstanding	2688000	USD
CY2021	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	457000	USD
CY2020	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	489000	USD
CY2019	us-gaap	Payments To Acquire Intangible Assets PaymentsToAcquireIntangibleAssets	640000	USD
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-10546000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-19347000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-32116000	USD
CY2021	aaoi	Proceeds From Issuance Of Notes Payable And Longterm Debt Net Of Debt Issuance Costs ProceedsFromIssuanceOfNotesPayableAndLongtermDebtNetOfDebtIssuanceCosts	0	USD
CY2020	aaoi	Proceeds From Issuance Of Notes Payable And Longterm Debt Net Of Debt Issuance Costs ProceedsFromIssuanceOfNotesPayableAndLongtermDebtNetOfDebtIssuanceCosts	6229000	USD
CY2019	aaoi	Proceeds From Issuance Of Notes Payable And Longterm Debt Net Of Debt Issuance Costs ProceedsFromIssuanceOfNotesPayableAndLongtermDebtNetOfDebtIssuanceCosts	13661000	USD
CY2021	aaoi	Repayments Of Principals On Longterm Debt And Notes Payable RepaymentsOfPrincipalsOnLongtermDebtAndNotesPayable	4144000	USD
CY2020	aaoi	Repayments Of Principals On Longterm Debt And Notes Payable RepaymentsOfPrincipalsOnLongtermDebtAndNotesPayable	5233000	USD
CY2019	aaoi	Repayments Of Principals On Longterm Debt And Notes Payable RepaymentsOfPrincipalsOnLongtermDebtAndNotesPayable	43363000	USD
CY2021	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	122935000	USD
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	95730000	USD
CY2019	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	83434000	USD
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	111287000	USD
CY2020	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	96006000	USD
CY2019	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	88299000	USD
CY2021	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	24622000	USD
CY2020	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	39958000	USD
CY2019	us-gaap	Proceeds From Bank Debt ProceedsFromBankDebt	13638000	USD
CY2021	us-gaap	Repayments Of Bank Debt RepaymentsOfBankDebt	32465000	USD
CY2020	us-gaap	Repayments Of Bank Debt RepaymentsOfBankDebt	31338000	USD
CY2019	us-gaap	Repayments Of Bank Debt RepaymentsOfBankDebt	11952000	USD
CY2021	aaoi	Proceeds From Issuance Of Convertible Senior Notes Net Of Debt Issuance Costs ProceedsFromIssuanceOfConvertibleSeniorNotesNetOfDebtIssuanceCosts	0	USD
CY2020	aaoi	Proceeds From Issuance Of Convertible Senior Notes Net Of Debt Issuance Costs ProceedsFromIssuanceOfConvertibleSeniorNotesNetOfDebtIssuanceCosts	-18000	USD
CY2019	aaoi	Proceeds From Issuance Of Convertible Senior Notes Net Of Debt Issuance Costs ProceedsFromIssuanceOfConvertibleSeniorNotesNetOfDebtIssuanceCosts	76362000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	18000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	17000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	2000	USD
CY2021	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	8000	USD
CY2020	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	13000	USD
CY2019	us-gaap	Proceeds From Stock Options Exercised ProceedsFromStockOptionsExercised	14000	USD
CY2021	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	960000	USD
CY2020	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	1080000	USD
CY2019	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	897000	USD
CY2021	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	15397000	USD
CY2020	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	39203000	USD
CY2019	us-gaap	Proceeds From Issuance Of Common Stock ProceedsFromIssuanceOfCommonStock	0	USD
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	14088000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	47441000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	42596000	USD
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-876000	USD
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	-999000	USD
CY2019	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	298000	USD
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-8978000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-16914000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	9025000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	50115000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	67029000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	58004000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	41137000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	50115000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Including Disposal Group And Discontinued Operations CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations	67029000	USD
CY2021	us-gaap	Interest Paid Net InterestPaidNet	4899000	USD
CY2020	us-gaap	Interest Paid Net InterestPaidNet	4971000	USD
CY2019	us-gaap	Interest Paid Net InterestPaidNet	3172000	USD
CY2021	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	1000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-364000	USD
CY2019	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	-890000	USD
CY2021	aaoi	Increase Decrease In Accounts Payable Related To Property And Equipment Additions IncreaseDecreaseInAccountsPayableRelatedToPropertyAndEquipmentAdditions	-4027000	USD
CY2020	aaoi	Increase Decrease In Accounts Payable Related To Property And Equipment Additions IncreaseDecreaseInAccountsPayableRelatedToPropertyAndEquipmentAdditions	-2326000	USD
CY2019	aaoi	Increase Decrease In Accounts Payable Related To Property And Equipment Additions IncreaseDecreaseInAccountsPayableRelatedToPropertyAndEquipmentAdditions	3869000	USD
CY2021	aaoi	Increase Decrease In Deposits And Prepaid For Equipment Related To Property And Equipment Additions IncreaseDecreaseInDepositsAndPrepaidForEquipmentRelatedToPropertyAndEquipmentAdditions	84000	USD
CY2020	aaoi	Increase Decrease In Deposits And Prepaid For Equipment Related To Property And Equipment Additions IncreaseDecreaseInDepositsAndPrepaidForEquipmentRelatedToPropertyAndEquipmentAdditions	-64000	USD
CY2019	aaoi	Increase Decrease In Deposits And Prepaid For Equipment Related To Property And Equipment Additions IncreaseDecreaseInDepositsAndPrepaidForEquipmentRelatedToPropertyAndEquipmentAdditions	8801000	USD
CY2021	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"/> <table border="0" cellpadding="0" cellspacing="0" style="width: 100%; text-indent: 0px;"><tbody><tr style="vertical-align: top;"><td style="width: 36pt;"> <p style="margin: 0pt; font-family: "Times New Roman", Times, serif; font-size: 10pt; text-align: justify;"><span style="background-color:#ffffff;"><em style="font: inherit;">2.</em></span></p> </td><td> <p style="margin: 0pt; font-family: "Times New Roman", Times, serif; font-size: 10pt; text-align: justify;"><i><span style="background-color:#ffffff;">Use of Estimates</span></i></p> </td></tr> </tbody></table> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"><span style="background-color:#ffffff;"> </span></p> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt; text-indent: 36pt; text-align: justify;"><span style="background-color:#ffffff;">The preparation of financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the amounts reported. Actual results could differ from those estimates in the consolidated financial statements and accompanying notes. Significant estimates and assumptions that impact these financial statements relate to, among other things, allowance for doubtful accounts, inventory reserve, product warranty costs, share-based compensation expense, estimated useful lives of property and equipment, and taxes.</span></p>
CY2018Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	995000	USD
CY2021	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	826000	USD
CY2020	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	457000	USD
CY2021Q4	us-gaap	Cash Uninsured Amount CashUninsuredAmount	23100000	USD
CY2021	us-gaap	Concentration Risk Credit Risk ConcentrationRiskCreditRisk	<p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"/> <table border="0" cellpadding="0" cellspacing="0" style="width: 100%; text-indent: 0px;"><tbody><tr style="vertical-align: top;"><td style="width: 36pt;"> <p style="margin: 0pt; font-family: "Times New Roman", Times, serif; font-size: 10pt; text-align: justify;"><span style="background-color:#ffffff;"><em style="font: inherit;">8.</em></span></p> </td><td> <p style="margin: 0pt; font-family: "Times New Roman", Times, serif; font-size: 10pt; text-align: justify;"><i><span style="background-color:#ffffff;">Concentration of Credit Risk and Significant Customers</span></i></p> </td></tr> </tbody></table> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt; text-align: justify;"><span style="background-color:#ffffff;"> </span></p> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt; text-indent: 36pt; text-align: justify;"><span style="background-color:#ffffff;">Financial instruments which potentially subject the Company to concentrations of credit risk include cash, cash equivalents and accounts receivable. The Company places all cash and cash equivalents with high-credit quality financial institutions.</span></p> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt; text-indent: 36pt; text-align: justify;"><span style="background-color:#ffffff;"> </span></p> <p style="font-family: "Times New Roman", Times, serif; font-size: 10pt; margin: 0pt; text-indent: 36pt; text-align: justify;"><span style="background-color:#ffffff;">The Company performs ongoing credit valuations of its customers’ financial condition whenever deemed necessary and generally does <em style="font: inherit;">not</em> require deposits or collateral to support customer receivables. The historical amount of losses on uncollectible accounts has been within the Company’s estimates. The Company generates much of its revenue from a limited number of customers. In </span><em style="font: inherit;">2021,</em> <em style="font: inherit;">2020</em> and <em style="font: inherit;">2019</em><span style="background-color:#ffffff;">, its top <span style="-sec-ix-hidden:c80885233">five</span> customers represented 67.0%, 73.3%, and 80.7% of its revenue, respectively. In </span><em style="font: inherit;">2021</em><span style="background-color:#ffffff;">, ATX, Microsoft and Cisco represented 25.6%, 14.1% and 11.9% of its revenue, respectively. In </span><em style="font: inherit;">2020</em><span style="background-color:#ffffff;">, Microsoft and Amazon represented 38.3% and 11.5% of its revenue, respectively. The <span style="-sec-ix-hidden:c80885246"><span style="-sec-ix-hidden:c80885234"><span style="-sec-ix-hidden:c80885235"><span style="-sec-ix-hidden:c80885247">five</span></span></span></span> largest receivable balances for customers represented an aggregate of 70.6% and 64.6% of total accounts receivable at </span><em style="font: inherit;"> December 31, 2021 </em>and <em style="font: inherit;">2020</em><span style="background-color:#ffffff;">, respectively. As of </span><em style="font: inherit;"> December 31, 2021</em><span style="background-color:#ffffff;">, ATX, Microsoft and Cisco represented 41.7%, <em style="font: inherit;">13.3%</em> and 3.5% of total accounts receivable, respectively. As of </span><em style="font: inherit;"> December 31, 2020</em><span style="background-color:#ffffff;">, Microsoft and Amazon represented <em style="font: inherit;">20.9%,</em> and 8.5% of total accounts receivable, respectively. <em style="font: inherit;">No</em> other customer represented greater than <em style="font: inherit;">ten</em> percent of revenue in <em style="font: inherit;">2021,</em> <em style="font: inherit;">2020,</em> or <em style="font: inherit;">2019</em> had greater than <em style="font: inherit;">ten</em> percent of total accounts receivable at <em style="font: inherit;"> December 31, 2021 </em>or <em style="font: inherit;">2020.</em> </span></p> <p style="font-family: 'Times New Roman', Times, serif; font-size: 10pt; margin-top: 0pt; margin-bottom: 0pt;"> </p>
CY2021Q4	aaoi	Number Of Patents Issued NumberOfPatentsIssued	328	pure
CY2021	us-gaap	Product Warranty Expense ProductWarrantyExpense	386000	USD
CY2020	us-gaap	Product Warranty Expense ProductWarrantyExpense	339000	USD
CY2020Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	703000	USD
CY2019Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	821000	USD
CY2021Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P1Y9M29D
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P2Y9M29D
CY2019	us-gaap	Product Warranty Accrual Payments ProductWarrantyAccrualPayments	1261000	USD
CY2021Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	300000	USD
CY2019	us-gaap	Product Warranty Expense ProductWarrantyExpense	1087000	USD
CY2021Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	263000	USD
CY2020Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	703000	USD
CY2019Q4	us-gaap	Product Warranty Accrual ProductWarrantyAccrual	821000	USD
CY2021	us-gaap	Advertising Expense AdvertisingExpense	100000	USD
CY2020	us-gaap	Advertising Expense AdvertisingExpense	400000	USD
CY2019	us-gaap	Advertising Expense AdvertisingExpense	500000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1257000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1197000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	2923000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	0	USD
CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	211565000	USD
CY2021	aaoi	Percentage Of Revenue PercentageOfRevenue	1.000	pure
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	234623000	USD
CY2020	aaoi	Percentage Of Revenue PercentageOfRevenue	1.000	pure
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	190872000	USD
CY2019	aaoi	Percentage Of Revenue PercentageOfRevenue	1.000	pure
CY2021	us-gaap	Operating Lease Expense OperatingLeaseExpense	1230000	USD
CY2020	us-gaap	Operating Lease Expense OperatingLeaseExpense	1206000	USD
CY2021	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	32000	USD
CY2020	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	32000	USD
CY2021	us-gaap	Short Term Lease Cost ShortTermLeaseCost	19000	USD
CY2020	us-gaap	Short Term Lease Cost ShortTermLeaseCost	130000	USD
CY2021	us-gaap	Lease Cost LeaseCost	1281000	USD
CY2020	us-gaap	Lease Cost LeaseCost	1368000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1312000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	22000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1327000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	66000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1231000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	0	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	9247000	USD
CY2021Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	88000	USD
CY2021Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	996000	USD
CY2021Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	6000	USD
CY2021Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	8251000	USD
CY2021Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	82000	USD
CY2021Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P7Y1M24D
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P8Y1M2D
CY2021Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0322	pure
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0323	pure
CY2021Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0500	pure
CY2020Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.0500	pure
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	1287000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	1351000	USD
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	5000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	5000	USD
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	18000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	17000	USD
CY2021	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	124000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	712000	USD
CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	34656000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	43425000	USD
CY2021Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	6480000	USD
CY2020Q4	us-gaap	Restricted Cash And Cash Equivalents At Carrying Value RestrictedCashAndCashEquivalentsAtCarryingValue	6689000	USD
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	41136000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	50114000	USD
CY2021	us-gaap	Net Income Loss NetIncomeLoss	-54162000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-58452000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	-66049000	USD
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	26912000
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21867000
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	19982000
CY2021	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0
CY2020	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0
CY2019	us-gaap	Incremental Common Shares Attributable To Share Based Payment Arrangements IncrementalCommonSharesAttributableToShareBasedPaymentArrangements	0
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	26912000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21867000
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	19982000
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.01
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-2.67
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-3.31
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.01
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-2.67
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-3.31
CY2021	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4593000
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4611000
CY2021Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	29469000	USD
CY2020Q4	us-gaap	Inventory Raw Materials Net Of Reserves InventoryRawMaterialsNetOfReserves	25555000	USD
CY2021Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	41528000	USD
CY2020Q4	us-gaap	Inventory Work In Process Net Of Reserves InventoryWorkInProcessNetOfReserves	52544000	USD
CY2021Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	21519000	USD
CY2020Q4	us-gaap	Inventory Finished Goods Net Of Reserves InventoryFinishedGoodsNetOfReserves	32298000	USD
CY2021Q4	us-gaap	Inventory Net InventoryNet	92516000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	110397000	USD
CY2021	us-gaap	Inventory Lifo Reserve Period Charge InventoryLIFOReservePeriodCharge	3900000	USD
CY2020	us-gaap	Inventory Lifo Reserve Period Charge InventoryLIFOReservePeriodCharge	3900000	USD
CY2019	us-gaap	Inventory Lifo Reserve Period Charge InventoryLIFOReservePeriodCharge	6800000	USD
CY2021	us-gaap	Inventory Write Down InventoryWriteDown	16800000	USD
CY2020	us-gaap	Inventory Write Down InventoryWriteDown	20400000	USD
CY2019	us-gaap	Inventory Write Down InventoryWriteDown	13400000	USD
CY2020	us-gaap	Depreciation Depreciation	24200000	USD
CY2019	us-gaap	Depreciation Depreciation	23500000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	376001000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	360975000	USD
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	167772000	USD
CY2020Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	142434000	USD
CY2021Q4	aaoi	Property Pant And Equipment Net Before Construction In Progress And Land PropertyPantAndEquipmentNetBeforeConstructionInProgressAndLand	208229000	USD
CY2020Q4	aaoi	Property Pant And Equipment Net Before Construction In Progress And Land PropertyPantAndEquipmentNetBeforeConstructionInProgressAndLand	218541000	USD
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	243035000	USD
CY2020Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	252984000	USD
CY2021	us-gaap	Depreciation Depreciation	24800000	USD
CY2021	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	900000	USD
CY2020	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	400000	USD
CY2019	us-gaap	Interest Paid Capitalized InterestPaidCapitalized	200000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	8632000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	4796000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3836000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	8179000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	4180000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3999000	USD
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	500000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	584000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	584000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	584000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	584000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	584000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	916000	USD
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	3836000	USD
CY2021Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	54711000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	52187000	USD
CY2021Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	22000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	18000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	54689000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	52169000	USD
CY2021Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	49689000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	38265000	USD
CY2021Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	5000000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	13904000	USD
CY2021Q4	aaoi	Bank Acceptances Executed And Outstanding Current BankAcceptancesExecutedAndOutstandingCurrent	8198000	USD
CY2020Q4	aaoi	Bank Acceptances Executed And Outstanding Current BankAcceptancesExecutedAndOutstandingCurrent	15860000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	49689000	USD
CY2021Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	5000000	USD
CY2021Q4	us-gaap	Long Term Debt LongTermDebt	54689000	USD
CY2020Q4	us-gaap	Debt Instrument Unused Borrowing Capacity Amount DebtInstrumentUnusedBorrowingCapacityAmount	28700000	USD
CY2021Q4	us-gaap	Cash Collateral For Borrowed Securities CashCollateralForBorrowedSecurities	5400000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	16000	USD
CY2021Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	6516000	USD
CY2020Q4	us-gaap	Accrued Salaries Current AccruedSalariesCurrent	10517000	USD
CY2021Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	3471000	USD
CY2020Q4	us-gaap	Accrued Employee Benefits Current AccruedEmployeeBenefitsCurrent	3057000	USD
CY2021Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	1897000	USD
CY2020Q4	us-gaap	Taxes Payable Current TaxesPayableCurrent	251000	USD
CY2021Q4	aaoi	Accrued Interest Current AccruedInterestCurrent	1475000	USD
CY2020Q4	aaoi	Accrued Interest Current AccruedInterestCurrent	1256000	USD
CY2021Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	195000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	303000	USD
CY2021Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	263000	USD
CY2020Q4	us-gaap	Product Warranty Accrual Classified Current ProductWarrantyAccrualClassifiedCurrent	703000	USD
CY2021Q4	us-gaap	Accrued Liabilities For Commissions Expense And Taxes AccruedLiabilitiesForCommissionsExpenseAndTaxes	1003000	USD
CY2020Q4	us-gaap	Accrued Liabilities For Commissions Expense And Taxes AccruedLiabilitiesForCommissionsExpenseAndTaxes	974000	USD
CY2021Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	346000	USD
CY2020Q4	us-gaap	Accrued Professional Fees Current AccruedProfessionalFeesCurrent	377000	USD
CY2021Q4	aaoi	Accrued Shipping And Tariff Expenses AccruedShippingAndTariffExpenses	33000	USD
CY2020Q4	aaoi	Accrued Shipping And Tariff Expenses AccruedShippingAndTariffExpenses	526000	USD
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	388000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	547000	USD
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	15587000	USD
CY2020Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	18511000	USD
CY2021	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	454000	USD
CY2020	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	1000	USD
CY2019	us-gaap	Foreign Currency Transaction Gain Loss Before Tax ForeignCurrencyTransactionGainLossBeforeTax	20000	USD
CY2021	aaoi	Government Subsidy Income GovernmentSubsidyIncome	1345000	USD
CY2020	aaoi	Government Subsidy Income GovernmentSubsidyIncome	2708000	USD
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	41000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	0	USD
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	2000	USD
CY2019	aaoi	Government Subsidy Income GovernmentSubsidyIncome	1614000	USD
CY2021	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	129000	USD
CY2020	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	304000	USD
CY2019	us-gaap	Other Nonoperating Gains Losses OtherNonoperatingGainsLosses	219000	USD
CY2021	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	6229000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-1000	USD
CY2020	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-15000	USD
CY2019	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-13000	USD
CY2021	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	8156000	USD
CY2020	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2998000	USD
CY2019	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	1840000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-21229000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-20288000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	-35279000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-32931000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-30936000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-16108000	USD
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-54160000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-51224000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-51387000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	14549000	USD
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	2000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefits	618000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	4599000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Foreign DeferredTaxAssetsTaxCreditCarryforwardsForeign	4599000	USD
CY2021Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	9879000	USD
CY2020Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	9008000	USD
CY2021Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	2840000	USD
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	0	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	0	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	97000	USD
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	43000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	113000	USD
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	0	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-172000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	16375000	USD
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	0	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	1716000	USD
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	0	USD
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	7357000	USD
CY2019	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-3542000	USD
CY2021	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	0	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	7185000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	7228000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14662000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	44448000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	31526000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	2872000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	2241000	USD
CY2021Q4	us-gaap	Deferred Tax Assets Unrealized Losses On Availablefor Sale Securities Gross DeferredTaxAssetsUnrealizedLossesOnAvailableforSaleSecuritiesGross	69000	USD
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CY2020Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	54000	USD
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CY2021	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue	5.64
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CY2021Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	10.32
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CY2021	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	211565000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	234623000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	190872000	USD
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CY2020Q4	us-gaap	Noncurrent Assets NoncurrentAssets	270654000	USD
CY2019Q4	us-gaap	Noncurrent Assets NoncurrentAssets	266010000	USD
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CY2019	us-gaap	Defined Contribution Plan Employer Discretionary Contribution Amount DefinedContributionPlanEmployerDiscretionaryContributionAmount	800000	USD

Files In Submission

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$AAOI
APPLIED OPTOELECTRONICS, INC. Stock $aaoi

2021 Q4 Form 10-K Financial Statement

#000143774922004349 Filed on February 24, 2022

Income Statement

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Facts In Submission

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$AAOI APPLIED OPTOELECTRONICS, INC. Stock $aaoi

2021 Q4 Form 10-K Financial Statement

#000143774922004349 Filed on February 24, 2022

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AAOI
APPLIED OPTOELECTRONICS, INC. Stock $aaoi