$AMPH
Amphastar Pharmaceuticals, Inc. Stock $amph

$amph Overview Financials Valuation SEC Filings Company Website

2023 Q1 Form 10-K Financial Statement

#000129718423000019 Filed on March 01, 2023

Income Statement

Concept	2023 Q1	2022 Q4	2022
Revenue	$140.0M	$135.0M	$499.0M
YoY Change	16.33%	11.69%	13.98%
Cost Of Revenue	$66.18M	$63.86M	$250.1M
YoY Change	2.54%	-1.23%	5.08%
Gross Profit	$73.84M	$71.17M	$248.9M
YoY Change	32.27%	26.56%	24.59%
Gross Profit Margin	52.73%	52.71%	49.87%
Selling, General & Admin	$20.59M	$16.10M	$66.59M
YoY Change	14.47%	9.55%	-3.38%
% of Gross Profit	27.89%	22.62%	26.76%
Research & Development	$19.82M	$14.82M	$74.77M
YoY Change	22.14%	0.71%	22.71%
% of Gross Profit	26.84%	20.83%	30.05%
Depreciation & Amortization	$3.399M	$6.532M	$12.60M
YoY Change	23.96%	13.48%	23.2%
% of Gross Profit	4.6%	9.18%	5.06%
Operating Expenses	$40.41M	$33.34M	$141.4M
YoY Change	18.11%	4.23%	8.86%
Operating Profit	$33.43M	$37.83M	$107.5M
YoY Change	54.68%	56.0%	53.82%
Interest Expense	$398.0K	$52.00K	$1.846M
YoY Change	12.11%	-572.73%	108.59%
% of Operating Profit	1.19%	0.14%	1.72%
Other Income/Expense, Net	$136.0K	$3.376M	$8.543M
YoY Change	-98.17%	15.58%	-40.06%
Pretax Income	$33.57M	$41.26M	$116.0M
YoY Change	15.62%	51.9%	37.91%
Income Tax	$6.752M	$7.290M	$23.48M
% Of Pretax Income	20.11%	17.67%	20.23%
Net Earnings	$26.03M	$33.91M	$91.39M
YoY Change	7.34%	71.62%	47.12%
Net Earnings / Revenue	18.59%	25.12%	18.31%
Basic Earnings Per Share	$0.54		$1.88
Diluted Earnings Per Share	$0.50	$0.66	$1.74
COMMON SHARES
Basic Shares Outstanding	47.90M	48.33M	48.55M
Diluted Shares Outstanding	51.97M		52.43M

Balance Sheet

Concept	2023 Q1	2022 Q4	2022
SHORT-TERM ASSETS
Cash & Short-Term Investments	$192.9M	$175.8M	$175.8M
YoY Change	3.15%	28.6%	28.6%
Cash & Equivalents	$176.6M	$156.1M	$156.1M
Short-Term Investments	$16.28M	$19.66M	$19.66M
Other Short-Term Assets	$9.762M	$9.998M	$9.998M
YoY Change	10.07%	2.98%	2.98%
Inventory	$103.6M	$103.6M	$103.6M
Prepaid Expenses
Receivables	$100.6M	$88.80M	$88.80M
Other Receivables	$731.0K	$171.0K	$171.0K
Total Short-Term Assets	$407.7M	$378.3M	$378.3M
YoY Change	11.87%	18.92%	18.92%
LONG-TERM ASSETS
Property, Plant & Equipment	$243.5M	$238.3M	$264.6M
YoY Change	0.09%	-2.45%	-2.55%
Goodwill	$3.175M	$3.126M
YoY Change	-2.49%	-5.64%
Intangibles
YoY Change
Long-Term Investments	$1.758M	$2.414M	$2.414M
YoY Change	-47.02%	-39.42%	-39.42%
Other Assets	$18.54M	$20.86M	$59.38M
YoY Change	13.71%	25.15%	52.01%
Total Long-Term Assets	$366.0M	$363.7M	$363.7M
YoY Change	4.03%	2.9%	2.9%
TOTAL ASSETS
Total Short-Term Assets	$407.7M	$378.3M	$378.3M
Total Long-Term Assets	$366.0M	$363.7M	$363.7M
Total Assets	$773.7M	$742.0M	$742.0M
YoY Change	8.02%	10.49%	10.49%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$21.98M	$20.50M	$20.50M
YoY Change	-7.82%	-7.71%	-7.71%
Accrued Expenses	$66.91M	$63.74M	$66.74M
YoY Change	-7.03%	-5.33%	-5.08%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due	$2.168M	$3.046M	$3.046M
YoY Change	0.42%	38.33%	38.33%
Total Short-Term Liabilities	$105.6M	$94.86M	$94.86M
YoY Change	-7.63%	-8.62%	-8.62%
LONG-TERM LIABILITIES
Long-Term Debt	$72.87M	$76.64M	$72.84M
YoY Change	-1.99%	-1.97%	-2.59%
Other Long-Term Liabilities	$15.18M	$14.57M	$45.48M
YoY Change	-2.06%	-6.95%	-2.99%
Total Long-Term Liabilities	$15.18M	$91.21M	$118.3M
YoY Change	-2.06%	-2.8%	-2.75%
TOTAL LIABILITIES
Total Short-Term Liabilities	$105.6M	$94.86M	$94.86M
Total Long-Term Liabilities	$15.18M	$91.21M	$118.3M
Total Liabilities	$225.1M	$213.3M	$213.3M
YoY Change	-4.91%	-5.61%	-5.61%
SHAREHOLDERS EQUITY
Retained Earnings	$297.8M	$271.7M
YoY Change	45.54%	50.68%
Common Stock	$6.000K	$6.000K
YoY Change	0.0%	0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$197.5M	$189.5M
YoY Change	30.58%	25.95%
Treasury Stock Shares
Shareholders Equity	$548.6M	$528.7M	$528.7M
YoY Change
Total Liabilities & Shareholders Equity	$773.7M	$742.0M	$742.0M
YoY Change	8.02%	10.49%	10.49%

Cashflow Statement

Concept	2023 Q1	2022 Q4	2022
OPERATING ACTIVITIES
Net Income	$26.03M	$33.91M	$91.39M
YoY Change	7.34%	71.62%	47.12%
Depreciation, Depletion And Amortization	$3.399M	$6.532M	$12.60M
YoY Change	23.96%	13.48%	23.2%
Cash From Operating Activities	$40.38M	$15.23M	$89.18M
YoY Change	-20.45%	-62.35%	-8.99%
INVESTING ACTIVITIES
Capital Expenditures	$9.477M	$6.310M	$24.03M
YoY Change	54.37%	-191.74%	-12.46%
Acquisitions
YoY Change
Other Investing Activities	$3.144M	$6.081M	-$8.743M
YoY Change	-205.82%	-219.8%	619.0%
Cash From Investing Activities	-$6.333M	-$229.0K	-$32.78M
YoY Change	-30.48%	-98.08%	14.32%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net			$39.91M
YoY Change			38.22%
Debt Paid & Issued, Net	$968.0K		$1.781M
YoY Change	79.93%		-95.15%
Cash From Financing Activities	-13.55M	-16.16M	-26.44M
YoY Change	-391.48%	85.86%	-28.58%
NET CHANGE
Cash From Operating Activities	40.38M	15.23M	89.18M
Cash From Investing Activities	-6.333M	-229.0K	-32.78M
Cash From Financing Activities	-13.55M	-16.16M	-26.44M
Net Change In Cash	20.52M	-1.165M	29.75M
YoY Change	-55.66%	-105.89%	-7.28%
FREE CASH FLOW
Cash From Operating Activities	$40.38M	$15.23M	$89.18M
Capital Expenditures	$9.477M	$6.310M	$24.03M
Free Cash Flow	$30.91M	$8.916M	$65.15M
YoY Change	-30.75%	-81.16%	-7.64%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value
CY2022Q4	us-gaap	Preferred Stock Value PreferredStockValue
CY2021Q4	us-gaap	Preferred Stock Value PreferredStockValue
CY2020	amph	Other Comprehensive Income Loss Reclassification For Amounts Included In Net Income OtherComprehensiveIncomeLossReclassificationForAmountsIncludedInNetIncome
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	8543000
CY2022Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	2124000
CY2021Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	2124000
CY2022Q4	amph	Assumed Forfeiture Rates Used In Estimates AssumedForfeitureRatesUsedInEstimates	0.07
CY2021Q4	amph	Assumed Forfeiture Rates Used In Estimates AssumedForfeitureRatesUsedInEstimates	0.06
CY2020Q4	amph	Assumed Forfeiture Rates Used In Estimates AssumedForfeitureRatesUsedInEstimates	0.05
CY2020	us-gaap	Lease Cost LeaseCost	5495000
CY2022	us-gaap	Operating Lease Payments OperatingLeasePayments	4329000
CY2021	us-gaap	Operating Lease Payments OperatingLeasePayments	4446000
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	4491000
CY2022	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	18000
CY2021	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	25000
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	33000
CY2022	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	233000
CY2021	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	310000
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	369000
CY2022	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	2166000
CY2021Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2022Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.0001
CY2021Q4	us-gaap	Short Term Investments ShortTermInvestments	10320000
CY2022Q4	us-gaap	Restricted Investments Current RestrictedInvestmentsCurrent	2200000
CY2021Q4	us-gaap	Restricted Investments Current RestrictedInvestmentsCurrent	2200000
CY2022	us-gaap	Interest Expense InterestExpense	1846000
CY2021	us-gaap	Interest Expense InterestExpense	885000
CY2020	us-gaap	Interest Expense InterestExpense	374000
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#LongTermDebtAndCapitalLeaseObligations
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	http://fasb.org/us-gaap/2022#LongTermDebtAndCapitalLeaseObligations
CY2021Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2022Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0
CY2021Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2022Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0
CY2022	dei	Entity Filer Category EntityFilerCategory	Large Accelerated Filer
CY2022	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2022	dei	Amendment Flag AmendmentFlag	false
CY2022	dei	Entity Central Index Key EntityCentralIndexKey	0001297184
CY2022	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2022
CY2022	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2022	dei	Document Type DocumentType	10-K
CY2022	dei	Document Annual Report DocumentAnnualReport	true
CY2022	dei	Document Period End Date DocumentPeriodEndDate	2022-12-31
CY2022	dei	Document Transition Report DocumentTransitionReport	false
CY2022	dei	Entity File Number EntityFileNumber	001-36509
CY2022	dei	Entity Registrant Name EntityRegistrantName	Amphastar Pharmaceuticals, Inc.
CY2022	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
CY2022	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	33-0702205
CY2022	dei	Entity Address Address Line1 EntityAddressAddressLine1	11570 6th Street
CY2022	dei	Entity Address City Or Town EntityAddressCityOrTown	Rancho Cucamonga
CY2022	dei	Entity Address State Or Province EntityAddressStateOrProvince	CA
CY2022	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	91730
CY2022	dei	City Area Code CityAreaCode	909
CY2022	dei	Local Phone Number LocalPhoneNumber	980-9484
CY2022	dei	Security12b Title Security12bTitle	Common Stock, par value $0.0001 per share
CY2022	dei	Trading Symbol TradingSymbol	AMPH
CY2022	dei	Security Exchange Name SecurityExchangeName	NASDAQ
CY2022	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2022	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2022	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2022	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2022	dei	Entity Small Business EntitySmallBusiness	false
CY2022	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2022	dei	Icfr Auditor Attestation Flag IcfrAuditorAttestationFlag	true
CY2022	dei	Entity Shell Company EntityShellCompany	false
CY2022Q2	dei	Entity Public Float EntityPublicFloat	885261017
CY2023Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	47896820
CY2022	dei	Auditor Firm AuditorFirmId	42
CY2022	dei	Auditor Name AuditorName	Ernst & Young LLP
CY2022	dei	Auditor Location AuditorLocation	Irvine, California
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CY2021Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	126353000
CY2022Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	235000
CY2021Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	235000
CY2022Q4	us-gaap	Short Term Investments ShortTermInvestments	19664000
CY2022Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	88804000
CY2021Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	78804000
CY2022Q4	us-gaap	Inventory Net InventoryNet	103584000
CY2021Q4	us-gaap	Inventory Net InventoryNet	92807000
CY2022Q4	amph	Income Tax Refund And Deposits IncomeTaxRefundAndDeposits	171000
CY2021Q4	amph	Income Tax Refund And Deposits IncomeTaxRefundAndDeposits	126000
CY2022Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	7563000
CY2021Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	7274000
CY2022Q4	us-gaap	Assets Current AssetsCurrent	378319000
CY2021Q4	us-gaap	Assets Current AssetsCurrent	318119000
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	238266000
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	244244000
CY2022Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	753000
CY2021Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	353000
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CY2021Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	26894000
CY2022Q4	us-gaap	Equity Method Investments EquityMethodInvestments	2414000
CY2021Q4	us-gaap	Equity Method Investments EquityMethodInvestments	3985000
CY2022Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	37298000
CY2021Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	38870000
CY2022Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	20856000
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CY2022Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	38527000
CY2021Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	22399000
CY2022Q4	us-gaap	Assets Assets	741987000
CY2021Q4	us-gaap	Assets Assets	671529000
CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	84242000
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	89545000
CY2022Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	4571000
CY2021Q4	us-gaap	Accrued Income Taxes Current AccruedIncomeTaxesCurrent	9081000
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	3046000
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	2202000
CY2022Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	3003000
CY2021Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	2982000
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CY2022Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	7225000
CY2021Q4	us-gaap	Accrued Income Taxes Noncurrent AccruedIncomeTaxesNoncurrent	6531000
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	72839000
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	74776000
CY2022Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	23694000
CY2021Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	24703000
CY2022Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	144000
CY2021Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	534000
CY2022Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	14565000
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CY2022Q4	us-gaap	Liabilities Liabilities	213329000
CY2021Q4	us-gaap	Liabilities Liabilities	226007000
CY2021Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
CY2022Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.0001
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CY2022Q4	us-gaap	Common Stock Value CommonStockValue	6000
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CY2022Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	271723000
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CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	528658000
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CY2022	us-gaap	Revenues Revenues	498987000
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CY2022	us-gaap	Cost Of Revenue CostOfRevenue	250127000
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CY2022	us-gaap	Gross Profit GrossProfit	248860000
CY2021	us-gaap	Gross Profit GrossProfit	199739000
CY2020	us-gaap	Gross Profit GrossProfit	143340000
CY2022	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	21531000
CY2021	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	17486000
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CY2022	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	74771000
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CY2020	us-gaap	Operating Expenses OperatingExpenses	132386000
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	107497000
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CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	10954000
CY2022	us-gaap	Investment Income Interest InvestmentIncomeInterest	1321000
CY2021	us-gaap	Investment Income Interest InvestmentIncomeInterest	601000
CY2020	us-gaap	Investment Income Interest InvestmentIncomeInterest	642000
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CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	14252000
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-6317000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	116040000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	84139000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4637000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23477000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20630000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3540000
CY2022	amph	Income Loss From Continuing Operations After Income Taxes IncomeLossFromContinuingOperationsAfterIncomeTaxes	92563000
CY2021	amph	Income Loss From Continuing Operations After Income Taxes IncomeLossFromContinuingOperationsAfterIncomeTaxes	63509000
CY2020	amph	Income Loss From Continuing Operations After Income Taxes IncomeLossFromContinuingOperationsAfterIncomeTaxes	1097000
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1177000
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-208000
CY2022	us-gaap	Profit Loss ProfitLoss	91386000
CY2021	us-gaap	Profit Loss ProfitLoss	63301000
CY2020	us-gaap	Profit Loss ProfitLoss	1097000
CY2021	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1185000
CY2020	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	-306000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	91386000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	62116000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1403000
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.88
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.30
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.74
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.25
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48551000
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47777000
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47038000
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52427000
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49784000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49124000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	91386000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	62116000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1403000
CY2021	amph	Other Comprehensive Income Loss Reclassification For Amounts Included In Net Income OtherComprehensiveIncomeLossReclassificationForAmountsIncludedInNetIncome	-362000
CY2022	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2335000
CY2021	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	-2943000
CY2020	us-gaap	Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax	1121000
CY2022	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-476000
CY2021	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	-261000
CY2020	us-gaap	Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentNetOfTax	155000
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1859000
CY2021	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-3044000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	966000
CY2022	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	89527000
CY2021	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	59072000
CY2020	us-gaap	Comprehensive Income Net Of Tax ComprehensiveIncomeNetOfTax	2369000
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	427528000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1403000
CY2020	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	966000
CY2020	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	24425000
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	23165000
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	20498000
CY2020Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	448723000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	62116000
CY2021	amph	Other Comprehensive Income Loss Attributable To Parent OtherComprehensiveIncomeLossAttributableToParent	-2682000
CY2021	amph	Acquisition Of Additional Ownership Interest AcquisitionOfAdditionalOwnershipInterest	-68717000
CY2021	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	-1185000
CY2021	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	28873000
CY2021	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	15925000
CY2021	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	17845000
CY2021Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	445522000
CY2022	us-gaap	Net Income Loss NetIncomeLoss	91386000
CY2022	us-gaap	Other Comprehensive Income Loss Net Of Tax Portion Attributable To Parent OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent	-1859000
CY2022	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	39909000
CY2022	us-gaap	Stock Issued During Period Value Share Based Compensation Gross StockIssuedDuringPeriodValueShareBasedCompensationGross	15658000
CY2022	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	17860000
CY2022Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	528658000
CY2022	us-gaap	Profit Loss ProfitLoss	91386000
CY2021	us-gaap	Profit Loss ProfitLoss	63301000
CY2020	us-gaap	Profit Loss ProfitLoss	1097000
CY2022	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-141000
CY2021	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-348000
CY2020	us-gaap	Gain Loss On Disposition Of Assets1 GainLossOnDispositionOfAssets1	-240000
CY2021	us-gaap	Deconsolidation Gain Or Loss Amount DeconsolidationGainOrLossAmount	13587000
CY2022	amph	Gain Loss On Interest Rate Swaps And Foreign Currency Transactions Net GainLossOnInterestRateSwapsAndForeignCurrencyTransactionsNet	2196000
CY2021	amph	Gain Loss On Interest Rate Swaps And Foreign Currency Transactions Net GainLossOnInterestRateSwapsAndForeignCurrencyTransactionsNet	-27000
CY2020	amph	Gain Loss On Interest Rate Swaps And Foreign Currency Transactions Net GainLossOnInterestRateSwapsAndForeignCurrencyTransactionsNet	2173000
CY2022	us-gaap	Depreciation Depreciation	23815000
CY2021	us-gaap	Depreciation Depreciation	22196000
CY2020	us-gaap	Depreciation Depreciation	20491000
CY2022	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1420000
CY2021	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1290000
CY2020	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	1036000
CY2022	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	3506000
CY2021	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	3266000
CY2020	us-gaap	Operating Lease Right Of Use Asset Amortization Expense OperatingLeaseRightOfUseAssetAmortizationExpense	3653000
CY2022	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-1177000
CY2021	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	-208000
CY2022	us-gaap	Share Based Compensation ShareBasedCompensation	17860000
CY2021	us-gaap	Share Based Compensation ShareBasedCompensation	18687000
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	20498000
CY2022	amph	Increase Decrease In Reserve For Income Tax Liabilities IncreaseDecreaseInReserveForIncomeTaxLiabilities	694000
CY2021	amph	Increase Decrease In Reserve For Income Tax Liabilities IncreaseDecreaseInReserveForIncomeTaxLiabilities	1821000
CY2020	amph	Increase Decrease In Reserve For Income Tax Liabilities IncreaseDecreaseInReserveForIncomeTaxLiabilities	1285000
CY2022	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	16445000
CY2021	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	-2388000
CY2020	us-gaap	Increase Decrease In Deferred Income Taxes IncreaseDecreaseInDeferredIncomeTaxes	162000
CY2022	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	10132000
CY2021	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	14921000
CY2021	amph	Payments For Deposits And Other Assets PaymentsForDepositsAndOtherAssets	2612000
CY2020	amph	Payments For Deposits And Other Assets PaymentsForDepositsAndOtherAssets	1414000
CY2022	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-32777000
CY2021	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-28672000
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-36415000
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	20160000
CY2022	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	11746000
CY2021	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-1258000
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	-15297000
CY2022	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	1854000
CY2021	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-2927000
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-643000
CY2022	amph	Increase Decrease In Income Tax Refund Deposits And Payable IncreaseDecreaseInIncomeTaxRefundDepositsAndPayable	4555000
CY2021	amph	Increase Decrease In Income Tax Refund Deposits And Payable IncreaseDecreaseInIncomeTaxRefundDepositsAndPayable	-8349000
CY2020	amph	Increase Decrease In Income Tax Refund Deposits And Payable IncreaseDecreaseInIncomeTaxRefundDepositsAndPayable	972000
CY2022	amph	Operating Lease Right Of Use Assets And Liabilities Net OperatingLeaseRightOfUseAssetsAndLiabilitiesNet	-3154000
CY2021	amph	Operating Lease Right Of Use Assets And Liabilities Net OperatingLeaseRightOfUseAssetsAndLiabilitiesNet	-3198000
CY2020	amph	Operating Lease Right Of Use Assets And Liabilities Net OperatingLeaseRightOfUseAssetsAndLiabilitiesNet	-3597000
CY2022	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	-736000
CY2021	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	3634000
CY2020	us-gaap	Increase Decrease In Accounts Payable And Accrued Liabilities IncreaseDecreaseInAccountsPayableAndAccruedLiabilities	20090000
CY2022	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	89181000
CY2021	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	97994000
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	57266000
CY2022	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	24034000
CY2021	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	27456000
CY2020	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	33855000
CY2022	us-gaap	Proceeds From Sale Of Property Plant And Equipment ProceedsFromSaleOfPropertyPlantAndEquipment	421000
CY2022	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	35761000
CY2021	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	17375000
CY2020	us-gaap	Payments To Acquire Marketable Securities PaymentsToAcquireMarketableSecurities	13557000
CY2022	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	27969000
CY2021	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	18771000
CY2020	us-gaap	Proceeds From Sale And Maturity Of Marketable Securities ProceedsFromSaleAndMaturityOfMarketableSecurities	12411000
CY2022	amph	Payments For Deposits And Other Assets PaymentsForDepositsAndOtherAssets	1372000
CY2020	amph	Acquisition Of Additional Ownership Interest In Anp AcquisitionOfAdditionalOwnershipInterestInAnp	106000
CY2021	amph	Payments To Acquire Additional Ownership Interest PaymentsToAcquireAdditionalOwnershipInterest	53592000
CY2022	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	15658000
CY2021	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	15925000
CY2020	us-gaap	Proceeds From Issuance Of Shares Under Incentive And Share Based Compensation Plans Including Stock Options ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions	23165000
CY2022	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	39909000
CY2021	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	28873000
CY2020	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	24425000
CY2021	amph	Settlement Of Equity Awards SettlementOfEquityAwards	-839000
CY2022	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	407000
CY2021	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1738000
CY2020	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	1238000
CY2021	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	1161000
CY2021	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	70000000
CY2020	us-gaap	Proceeds From Issuance Of Long Term Debt ProceedsFromIssuanceOfLongTermDebt	6283000
CY2022	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	1781000
CY2021	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	36740000
CY2020	us-gaap	Repayments Of Long Term Debt RepaymentsOfLongTermDebt	8401000
CY2022	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-26439000
CY2021	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-37018000
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-2246000
CY2022	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-220000
CY2021	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	-223000
CY2020	us-gaap	Effect Of Exchange Rate On Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents EffectOfExchangeRateOnCashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	352000
CY2022	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	29745000
CY2021	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	32081000
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	18957000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	126588000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	94507000
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	75550000
CY2022Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	156333000
CY2021Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	126588000
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	94507000
CY2022	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	5256000
CY2021	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	9488000
CY2020	us-gaap	Capital Expenditures Incurred But Not Yet Paid CapitalExpendituresIncurredButNotYetPaid	11136000
CY2022	amph	Noncash Operating Lease Right Of Use Asset NoncashOperatingLeaseRightOfUseAsset	2166000
CY2021	amph	Noncash Operating Lease Right Of Use Asset NoncashOperatingLeaseRightOfUseAsset	11041000
CY2020	amph	Noncash Operating Lease Right Of Use Asset NoncashOperatingLeaseRightOfUseAsset	4819000
CY2022	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	642000
CY2021	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	107000
CY2020	us-gaap	Capital Lease Obligations Incurred CapitalLeaseObligationsIncurred	61000
CY2022	us-gaap	Interest Paid Net InterestPaidNet	3023000
CY2021	us-gaap	Interest Paid Net InterestPaidNet	2109000
CY2020	us-gaap	Interest Paid Net InterestPaidNet	2199000
CY2022	us-gaap	Income Taxes Paid IncomeTaxesPaid	44442000
CY2021	us-gaap	Income Taxes Paid IncomeTaxesPaid	8096000
CY2020	us-gaap	Income Taxes Paid IncomeTaxesPaid	3411000
CY2020	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	3000000.0
CY2022	us-gaap	Use Of Estimates UseOfEstimates	<p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.37;margin:0pt 0pt 10pt 0pt;"><span style="font-style:italic;line-height:1.19;margin-bottom:0pt;visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.19;margin:0pt;"><i style="font-style:italic;">Use of Estimates</i></p><p style="font-family:'Times New Roman','Times','serif';font-size:12pt;line-height:1.19;margin:0pt;"><span style="font-size:10pt;margin-bottom:14pt;visibility:hidden;"></span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.19;margin:0pt;">The preparation of consolidated financial statements in accordance with GAAP requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. Actual results could differ from those estimates. The principal accounting estimates include: determination of allowances for credit losses, fair value of financial instruments, allowance for discounts, provision for chargebacks and rebates, provision for product returns, adjustment of inventory to its net realizable value, impairment of investments, long-lived and intangible assets and goodwill, accrual for workers’ compensation liabilities, litigation reserves, stock price volatility for share-based compensation expense, valuation allowances for deferred tax assets, and liabilities for uncertain income tax positions.<span style="font-size:12pt;"> </span></p><p style="font-family:'Times New Roman','Times','serif';font-size:10pt;line-height:1.19;text-indent:36pt;margin:0pt;"><span style="visibility:hidden;"></span></p>
CY2022	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-1800000
CY2021	us-gaap	Other Comprehensive Income Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossArisingDuringPeriodNetOfTax	-2600000
CY2021	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	0
CY2022	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	0
CY2020	us-gaap	Other Comprehensive Income Loss Tax Portion Attributable To Parent1 OtherComprehensiveIncomeLossTaxPortionAttributableToParent1	900000
CY2022Q4	us-gaap	Foreign Currency Contracts Liability Fair Value Disclosure ForeignCurrencyContractsLiabilityFairValueDisclosure	200000
CY2021Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	200000
CY2022Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	200000
CY2021Q4	us-gaap	Certificates Of Deposit At Carrying Value CertificatesOfDepositAtCarryingValue	2200000
CY2022Q4	us-gaap	Certificates Of Deposit At Carrying Value CertificatesOfDepositAtCarryingValue	2200000
CY2022Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2700000
CY2021Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	2300000
CY2022Q4	amph	Revenue Recognition Wholesaler Chargebacks RevenueRecognitionWholesalerChargebacks	26606000
CY2021Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	8000
CY2022	amph	Workers Compensation Insurance Risk Retained Individual Claims WorkersCompensationInsuranceRiskRetainedIndividualClaims	350000
CY2022	amph	Workers Compensation Insurance Risk Retained Aggregate Claims WorkersCompensationInsuranceRiskRetainedAggregateClaims	4400000
CY2022	amph	Actuarially Determined Self Insurance Expense ActuariallyDeterminedSelfInsuranceExpense	300000
CY2021	amph	Actuarially Determined Self Insurance Expense ActuariallyDeterminedSelfInsuranceExpense	500000
CY2020	amph	Actuarially Determined Self Insurance Expense ActuariallyDeterminedSelfInsuranceExpense	500000
CY2022Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	3700000
CY2021Q4	us-gaap	Self Insurance Reserve SelfInsuranceReserve	4100000
CY2021Q4	amph	Revenue Recognition Wholesaler Chargebacks RevenueRecognitionWholesalerChargebacks	20167000
CY2020Q4	amph	Revenue Recognition Wholesaler Chargebacks RevenueRecognitionWholesalerChargebacks	20380000
CY2022	amph	Revenue Recognition Wholesaler Chargebacks Provision Related To Sales In Period RevenueRecognitionWholesalerChargebacksProvisionRelatedToSalesInPeriod	208081000
CY2021	amph	Revenue Recognition Wholesaler Chargebacks Provision Related To Sales In Period RevenueRecognitionWholesalerChargebacksProvisionRelatedToSalesInPeriod	201133000
CY2022	amph	Revenue Recognition Wholesaler Chargebacks Credits Issued To Third Parties RevenueRecognitionWholesalerChargebacksCreditsIssuedToThirdParties	201642000
CY2021	amph	Revenue Recognition Wholesaler Chargebacks Credits Issued To Third Parties RevenueRecognitionWholesalerChargebacksCreditsIssuedToThirdParties	201346000
CY2021Q4	amph	Revenue Recognition Wholesaler Chargebacks RevenueRecognitionWholesalerChargebacks	20167000
CY2022Q4	amph	Product Return Accrual Current ProductReturnAccrualCurrent	14900000
CY2021Q4	amph	Product Return Accrual Current ProductReturnAccrualCurrent	16000000.0
CY2022Q4	amph	Product Return Accrual Non Current ProductReturnAccrualNonCurrent	4600000
CY2021Q4	amph	Product Return Accrual Non Current ProductReturnAccrualNonCurrent	5700000
CY2022	amph	Product Return Rate Percentage ProductReturnRatePercentage	0.014
CY2021	amph	Product Return Rate Percentage ProductReturnRatePercentage	0.017
CY2022	us-gaap	Net Income Loss NetIncomeLoss	91386000
CY2021	us-gaap	Net Income Loss NetIncomeLoss	62116000
CY2020	us-gaap	Net Income Loss NetIncomeLoss	1403000
CY2022	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	48551000
CY2021	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47777000
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	47038000
CY2022	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	3876000
CY2021	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	2007000
CY2020	us-gaap	Incremental Common Shares Attributable To Contingently Issuable Shares IncrementalCommonSharesAttributableToContingentlyIssuableShares	2086000
CY2022	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	52427000
CY2021	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49784000
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	49124000
CY2022	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.88
CY2021	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.30
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.03
CY2022	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.74
CY2021	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.25
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.03
CY2022	us-gaap	Number Of Reportable Segments NumberOfReportableSegments	2
CY2022	us-gaap	Revenues Revenues	498987000
CY2021	us-gaap	Revenues Revenues	437768000
CY2020	us-gaap	Revenues Revenues	349846000
CY2022	us-gaap	Gross Profit GrossProfit	248860000
CY2021	us-gaap	Gross Profit GrossProfit	199739000
CY2020	us-gaap	Gross Profit GrossProfit	143340000
CY2022	us-gaap	Operating Expenses OperatingExpenses	141363000
CY2021	us-gaap	Operating Expenses OperatingExpenses	129852000
CY2020	us-gaap	Operating Expenses OperatingExpenses	132386000
CY2022	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1400000
CY2021	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1400000
CY2020	us-gaap	Interest Costs Capitalized InterestCostsCapitalized	1800000
CY2022	us-gaap	Operating Income Loss OperatingIncomeLoss	107497000
CY2021	us-gaap	Operating Income Loss OperatingIncomeLoss	69887000
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	10954000
CY2022	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	8543000
CY2021	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	14252000
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-6317000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	116040000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	84139000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4637000
CY2022	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	12597000
CY2021	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	10225000
CY2020	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	9030000
CY2022	us-gaap	Revenues Revenues	498987000
CY2021	us-gaap	Revenues Revenues	437768000
CY2020	us-gaap	Revenues Revenues	349846000
CY2022Q4	us-gaap	Noncurrent Assets NoncurrentAssets	264573000
CY2021Q4	us-gaap	Noncurrent Assets NoncurrentAssets	271491000
CY2022Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	23515000
CY2022Q4	us-gaap	Held To Maturity Securities Accumulated Unrecognized Holding Loss HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss	62000
CY2022Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	23453000
CY2021Q4	us-gaap	Held To Maturity Securities HeldToMaturitySecurities	6992000
CY2021Q4	us-gaap	Held To Maturity Securities Fair Value HeldToMaturitySecuritiesFairValue	6984000
CY2022	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P11Y
CY2022Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	11488000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	6541000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	4947000
CY2022Q4	amph	Indefinite Lived Intangible Assets Including Goodwill Gross IndefiniteLivedIntangibleAssetsIncludingGoodwillGross	32351000
CY2022Q4	amph	Indefinite Lived Intangible Assets Including Goodwill Net IndefiniteLivedIntangibleAssetsIncludingGoodwillNet	32351000
CY2022Q4	amph	Intangible Assets Gross Including Goodwill IntangibleAssetsGrossIncludingGoodwill	43839000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	6541000
CY2022Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	37298000
CY2021	us-gaap	Finite Lived Intangible Asset Useful Life FiniteLivedIntangibleAssetUsefulLife	P12Y
CY2021Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	12471000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	6139000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	6332000
CY2021Q4	amph	Indefinite Lived Intangible Assets Including Goodwill Gross IndefiniteLivedIntangibleAssetsIncludingGoodwillGross	32538000
CY2021Q4	amph	Indefinite Lived Intangible Assets Including Goodwill Net IndefiniteLivedIntangibleAssetsIncludingGoodwillNet	32538000
CY2021Q4	amph	Intangible Assets Gross Including Goodwill IntangibleAssetsGrossIncludingGoodwill	45009000
CY2021Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	6139000
CY2021Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	38870000
CY2021Q4	us-gaap	Goodwill Goodwill	3313000
CY2020Q4	us-gaap	Goodwill Goodwill	3940000
CY2021	us-gaap	Disposal Group Not Discontinued Operation Loss Gain On Write Down DisposalGroupNotDiscontinuedOperationLossGainOnWriteDown	-374000
CY2022	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	-187000
CY2021	us-gaap	Goodwill Translation And Purchase Accounting Adjustments GoodwillTranslationAndPurchaseAccountingAdjustments	-253000
CY2022Q4	us-gaap	Goodwill Goodwill	3126000
CY2021Q4	us-gaap	Goodwill Goodwill	3313000
CY2022Q4	us-gaap	Indefinite Lived Intangible Assets Excluding Goodwill IndefiniteLivedIntangibleAssetsExcludingGoodwill	29200000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	1035000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	1035000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1035000
CY2022Q4	us-gaap	Intangible Assets Net Including Goodwill IntangibleAssetsNetIncludingGoodwill	37298000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	243000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	79000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1520000
CY2022Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	4947000
CY2022Q4	amph	Indefinite Lived Intangible Assets Including Goodwill IndefiniteLivedIntangibleAssetsIncludingGoodwill	32351000
CY2022	us-gaap	Depreciation Depreciation	23800000
CY2021	us-gaap	Depreciation Depreciation	22200000
CY2022Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	47607000
CY2021Q4	us-gaap	Inventory Raw Materials And Supplies InventoryRawMaterialsAndSupplies	41853000
CY2022Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	37090000
CY2021Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	33298000
CY2022Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	18887000
CY2021Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	17656000
CY2022Q4	us-gaap	Inventory Net InventoryNet	103584000
CY2021Q4	us-gaap	Inventory Net InventoryNet	92807000
CY2022	us-gaap	Inventory Write Down InventoryWriteDown	17200000
CY2021	us-gaap	Inventory Write Down InventoryWriteDown	24600000
CY2020	us-gaap	Inventory Write Down InventoryWriteDown	13900000
CY2022Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	458296000
CY2021Q4	us-gaap	Property Plant And Equipment Gross PropertyPlantAndEquipmentGross	443863000
CY2022Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	220030000
CY2021Q4	us-gaap	Accumulated Depreciation Depletion And Amortization Property Plant And Equipment AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment	199619000
CY2022Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	238266000
CY2021Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	244244000
CY2020	us-gaap	Depreciation Depreciation	20500000
CY2022Q4	amph	Accrued Customer Fees And Rebates AccruedCustomerFeesAndRebates	14198000
CY2021Q4	amph	Accrued Customer Fees And Rebates AccruedCustomerFeesAndRebates	12121000
CY2022Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	22847000
CY2021Q4	us-gaap	Employee Related Liabilities Current EmployeeRelatedLiabilitiesCurrent	23256000
CY2022Q4	amph	Product Return Accrual Current ProductReturnAccrualCurrent	14867000
CY2021Q4	amph	Product Return Accrual Current ProductReturnAccrualCurrent	16028000
CY2022Q4	amph	Accrued Loss On Firm Purchase Commitments AccruedLossOnFirmPurchaseCommitments	2686000
CY2021Q4	amph	Accrued Loss On Firm Purchase Commitments AccruedLossOnFirmPurchaseCommitments	7133000
CY2022Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	9143000
CY2021Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	8793000
CY2022Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	63741000
CY2021Q4	us-gaap	Accrued Liabilities Current AccruedLiabilitiesCurrent	67331000
CY2022Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	20501000
CY2021Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	22214000
CY2022Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	84242000
CY2021Q4	us-gaap	Accounts Payable And Accrued Liabilities Current AccountsPayableAndAccruedLiabilitiesCurrent	89545000
CY2022Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	790000
CY2021Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	398000
CY2022Q4	us-gaap	Contractual Obligation ContractualObligation	77432000
CY2021Q4	us-gaap	Contractual Obligation ContractualObligation	78583000
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	3046000
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations Current LongTermDebtAndCapitalLeaseObligationsCurrent	2202000
CY2022Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	1547000
CY2021Q4	us-gaap	Unamortized Debt Issuance Expense UnamortizedDebtIssuanceExpense	1605000
CY2022Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	72839000
CY2021Q4	us-gaap	Long Term Debt And Capital Lease Obligations LongTermDebtAndCapitalLeaseObligations	74776000
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	2848000
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	3733000
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	4181000
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	58440000
CY2022Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	7440000
CY2022Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	76642000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	127204000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	86236000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Domestic IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic	15634000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-11164000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-2097000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Foreign IncomeLossFromContinuingOperationsBeforeIncomeTaxesForeign	-10997000
CY2022	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	116040000
CY2021	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	84139000
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	4637000
CY2022	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	37626000
CY2021	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	14088000
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	1803000
CY2022	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	732000
CY2021	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	1182000
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	541000
CY2022	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	998000
CY2021	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	1676000
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	279000
CY2022	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	39356000
CY2021	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	16946000
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	2623000
CY2022	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-16119000
CY2021	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	2657000
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	1770000
CY2022	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	816000
CY2021	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	917000
CY2021	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	110000
CY2020	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	636000
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	-1489000
CY2022	us-gaap	Deferred Foreign Income Tax Expense Benefit DeferredForeignIncomeTaxExpenseBenefit	-576000
CY2022	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-15879000
CY2022	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	23477000
CY2021Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	8489000
CY2021	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	20630000
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	3540000
CY2022	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2021	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2022	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.011
CY2021	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.012
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	-0.162
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.003
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.020
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Foreign Income Tax Rate Differential EffectiveIncomeTaxRateReconciliationForeignIncomeTaxRateDifferential	-0.201
CY2022	amph	Effective Income Tax Rate Reconciliation Foreign Income Tax Valuation Allowance Percent EffectiveIncomeTaxRateReconciliationForeignIncomeTaxValuationAllowancePercent	0.026
CY2021	amph	Effective Income Tax Rate Reconciliation Foreign Income Tax Valuation Allowance Percent EffectiveIncomeTaxRateReconciliationForeignIncomeTaxValuationAllowancePercent	0.055
CY2020	amph	Effective Income Tax Rate Reconciliation Foreign Income Tax Valuation Allowance Percent EffectiveIncomeTaxRateReconciliationForeignIncomeTaxValuationAllowancePercent	0.895
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.031
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.032
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.651
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.035
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	-0.002
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Nondeductible Expense Share Based Compensation Cost EffectiveIncomeTaxRateReconciliationNondeductibleExpenseShareBasedCompensationCost	0.187
CY2022	amph	Effective Income Tax Rate Reconciliation Executive Compensation EffectiveIncomeTaxRateReconciliationExecutiveCompensation	0.023
CY2021	amph	Effective Income Tax Rate Reconciliation Executive Compensation EffectiveIncomeTaxRateReconciliationExecutiveCompensation	0.023
CY2020	amph	Effective Income Tax Rate Reconciliation Executive Compensation EffectiveIncomeTaxRateReconciliationExecutiveCompensation	0.481
CY2022	amph	Effective Income Tax Rate Reconciliation Employee Related Expenses EffectiveIncomeTaxRateReconciliationEmployeeRelatedExpenses	0.002
CY2021	amph	Effective Income Tax Rate Reconciliation Employee Related Expenses EffectiveIncomeTaxRateReconciliationEmployeeRelatedExpenses	0.001
CY2020	amph	Effective Income Tax Rate Reconciliation Employee Related Expenses EffectiveIncomeTaxRateReconciliationEmployeeRelatedExpenses	0.017
CY2022	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	-0.001
CY2021	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	-0.002
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	-0.013
CY2022	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.202
CY2021	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.245
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.763
CY2022Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	15418000
CY2021Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	17019000
CY2022Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	20019000
CY2021Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	17568000
CY2022Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	9598000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	5208000
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	4892000
CY2022Q4	amph	Deferred Tax Assets Operating Leases DeferredTaxAssetsOperatingLeases	6684000
CY2021Q4	amph	Deferred Tax Assets Operating Leases DeferredTaxAssetsOperatingLeases	6555000
CY2022Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	4956000
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Liabilities DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities	5188000
CY2022Q4	amph	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Chargebacks DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedChargebacks	5125000
CY2021Q4	amph	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Accrued Chargebacks DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedChargebacks	3694000
CY2021Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Returns And Allowances DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReturnsAndAllowances	5611000
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CY2022	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P2Y6M
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CY2021	us-gaap	Lease Cost LeaseCost	5256000
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CY2022Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	243000
CY2022Q4	amph	Lease Liability Payments Due Next Twelve Months LeaseLiabilityPaymentsDueNextTwelveMonths	4321000
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CY2022Q4	amph	Lease Liability Payments Due Year Two LeaseLiabilityPaymentsDueYearTwo	3954000
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CY2022Q4	amph	Lease Liability Payments Due Year Three LeaseLiabilityPaymentsDueYearThree	3824000
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CY2022Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	159000
CY2022Q4	amph	Lease Liability Payments Due Year Four LeaseLiabilityPaymentsDueYearFour	3693000
CY2022Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	3364000
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CY2022Q4	amph	Lease Liability Payments Due Year Five LeaseLiabilityPaymentsDueYearFive	3468000
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CY2022Q4	amph	Lease Liability Payments Due After Year Five LeaseLiabilityPaymentsDueAfterYearFive	14080000
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CY2022Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	907000
CY2022Q4	amph	Lease Liability Payments Due LeaseLiabilityPaymentsDue	33340000
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Files In Submission

Name	View Source	Status
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amph-20221231x10k001.jpg	Edgar Link	pending
amph-20221231xex21d1.htm	Edgar Link	pending
amph-20221231xex23d1.htm	Edgar Link	pending
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amph-20221231xex32d1.htm	Edgar Link	pending
amph-20221231xex32d2.htm	Edgar Link	pending
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$AMPH
Amphastar Pharmaceuticals, Inc. Stock $amph

2023 Q1 Form 10-K Financial Statement

#000129718423000019 Filed on March 01, 2023

Income Statement

Balance Sheet

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$AMPH Amphastar Pharmaceuticals, Inc. Stock $amph

2023 Q1 Form 10-K Financial Statement

#000129718423000019 Filed on March 01, 2023

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$AMPH
Amphastar Pharmaceuticals, Inc. Stock $amph