$PSIX
POWER SOLUTIONS INTERNATIONAL, INC. Stock $psix

$psix Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-K Financial Statement

#000113709121000002 Filed on March 30, 2021

Income Statement

Concept	2019 Q4	2019	2018 Q4
Revenue	$153.1M	$546.1M	$138.2M
YoY Change	10.75%	10.09%	5.14%
Cost Of Revenue	$123.4M	$446.2M	$126.2M
YoY Change	-2.23%	2.04%	8.82%
Gross Profit	$29.70M	$99.89M	$12.02M
YoY Change	147.05%	69.97%	-22.42%
Gross Profit Margin	19.4%	18.29%	8.7%
Selling, General & Admin	$12.64M	$54.11M	$16.73M
YoY Change	-24.45%	-9.25%	48.07%
% of Gross Profit	42.56%	54.17%	139.15%
Research & Development	$6.237M	$24.93M	$7.910M
YoY Change	-21.15%	-12.83%	22.46%
% of Gross Profit	21.0%	24.96%	65.8%
Depreciation & Amortization	$2.195M	$5.161M	$2.668M
YoY Change	-17.73%	-0.67%	13.92%
% of Gross Profit	7.39%	5.17%	22.19%
Operating Expenses	$19.78M	$82.69M	$28.19M
YoY Change	-29.82%	-13.4%	48.64%
Operating Profit	$9.914M	$17.20M	-$16.17M
YoY Change	-161.31%	-146.87%	365.75%
Interest Expense	-$1.715M	$7.871M	$2.203M
YoY Change	-177.85%	3.19%	29.36%
% of Operating Profit	-17.3%	45.75%
Other Income/Expense, Net	$151.0K	-$8.546M	$6.516M
YoY Change	-97.68%	-52.13%	-318.88%
Pretax Income	$8.349M	$8.657M	-$9.655M
YoY Change	-186.47%	-115.87%	49.71%
Income Tax	$273.0K	$409.0K	$243.0K
% Of Pretax Income	3.27%	4.72%
Net Earnings	$8.076M	$8.248M	-$9.898M
YoY Change	-181.59%	-115.07%	61.49%
Net Earnings / Revenue	5.28%	1.51%	-7.16%
Basic Earnings Per Share		$0.38	-$0.53
Diluted Earnings Per Share	$353.3K	$0.38	-$0.84
COMMON SHARES
Basic Shares Outstanding	22.86M shares	21.51M shares	18.64M shares
Diluted Shares Outstanding		21.53M shares	22.36M shares

Balance Sheet

Concept	2019 Q4	2019	2018 Q4
SHORT-TERM ASSETS
Cash & Short-Term Investments	$3.000K	$3.000K	$54.00K
YoY Change	-94.44%	-94.44%
Cash & Equivalents	$3.000K	$3.000K	$54.00K
Short-Term Investments
Other Short-Term Assets	$7.416M	$7.416M	$742.0K
YoY Change	899.46%	85.31%	762.79%
Inventory	$108.8M	$108.8M	$105.6M
Prepaid Expenses
Receivables	$104.5M	$105.2M	$86.47M
Other Receivables	$1.055M	$1.055M	$973.0K
Total Short-Term Assets	$222.5M	$222.5M	$216.0M
YoY Change	3.01%	3.01%	26.51%
LONG-TERM ASSETS
Property, Plant & Equipment	$23.19M	$43.87M	$24.27M
YoY Change	-4.42%	80.79%	27.99%
Goodwill	$29.80M		$29.80M
YoY Change	0.0%		-0.12%
Intangibles	$13.37M		$17.01M
YoY Change	-21.39%		-20.85%
Long-Term Investments
YoY Change
Other Assets	$24.75M	$4.072M	$2.742M
YoY Change	802.59%	48.5%	-54.09%
Total Long-Term Assets	$91.15M	$91.15M	$73.85M
YoY Change	23.42%	23.42%	-3.15%
TOTAL ASSETS
Total Short-Term Assets	$222.5M	$222.5M	$216.0M
Total Long-Term Assets	$91.15M	$91.15M	$73.85M
Total Assets	$313.7M	$313.7M	$289.9M
YoY Change	8.21%	8.21%	17.35%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$75.84M	$75.84M	$85.22M
YoY Change	-11.01%	-11.01%	66.36%
Accrued Expenses	$34.11M	$34.11M	$45.70M
YoY Change	-25.36%	38.31%	33.11%
Deferred Revenue	$26.90M		$4.897M
YoY Change	449.28%
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change			-100.0%
Long-Term Debt Due	$195.0K	$39.72M	$80.00K
YoY Change	143.75%	-27.27%
Total Short-Term Liabilities	$181.6M	$181.6M	$220.7M
YoY Change	-17.73%	-17.7%	80.01%
LONG-TERM LIABILITIES
Long-Term Debt	$55.66M	$55.66M	$55.09M
YoY Change	1.03%	1.73%	1.19%
Other Long-Term Liabilities	$28.83M	$46.83M	$17.40M
YoY Change	65.65%	44.21%	40.43%
Total Long-Term Liabilities	$84.49M	$102.5M	$72.49M
YoY Change	16.55%	17.55%	8.47%
TOTAL LIABILITIES
Total Short-Term Liabilities	$181.6M	$181.6M	$220.7M
Total Long-Term Liabilities	$84.49M	$102.5M	$72.49M
Total Liabilities	$285.2M	$285.2M	$308.5M
YoY Change	-7.55%	-7.55%	43.57%
SHAREHOLDERS EQUITY
Retained Earnings	-$126.9M		-$135.2M
YoY Change	-6.1%		64.53%
Common Stock	$23.00K		$19.00K
YoY Change	21.05%		0.0%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$1.341M		$9.849M
YoY Change	-86.38%		3.26%
Treasury Stock Shares	260.0K shares		429.0K shares
Shareholders Equity	$28.50M	$28.50M	-$18.58M
YoY Change
Total Liabilities & Shareholders Equity	$313.7M	$313.7M	$289.9M
YoY Change	8.21%	8.21%	17.35%

Cashflow Statement

Concept	2019 Q4	2019	2018 Q4
OPERATING ACTIVITIES
Net Income	$8.076M	$8.248M	-$9.898M
YoY Change	-181.59%	-115.07%	61.49%
Depreciation, Depletion And Amortization	$2.195M	$5.161M	$2.668M
YoY Change	-17.73%	-0.67%	13.92%
Cash From Operating Activities	-$965.0K	$18.16M	-$2.494M
YoY Change	-61.31%	-394.37%	-142.67%
INVESTING ACTIVITIES
Capital Expenditures	-$1.633M	-$3.681M	-$1.324M
YoY Change	23.34%	0.99%	10.24%
Acquisitions
YoY Change
Other Investing Activities	$10.00K	-$23.00K	$1.000K
YoY Change	900.0%	2200.0%	-100.28%
Cash From Investing Activities	-$1.623M	-$3.658M	-$1.323M
YoY Change	22.68%	-64.27%	-14.92%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	2.590M	-$14.55M	1.857M
YoY Change	39.47%	-188.39%	-143.27%
NET CHANGE
Cash From Operating Activities	-965.0K	$18.16M	-2.494M
Cash From Investing Activities	-1.623M	-$3.658M	-1.323M
Cash From Financing Activities	2.590M	-$14.55M	1.857M
Net Change In Cash	2.000K	-$51.00K	-1.960M
YoY Change	-100.1%	-194.44%	97900.0%
FREE CASH FLOW
Cash From Operating Activities	-$965.0K	$18.16M	-$2.494M
Capital Expenditures	-$1.633M	-$3.681M	-$1.324M
Free Cash Flow	$668.0K	$21.84M	-$1.170M
YoY Change	-157.09%	-965.56%	-116.61%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
CY2020	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
CY2020	dei	Entity Registrant Name EntityRegistrantName	POWER SOLUTIONS INTERNATIONAL, INC.
CY2020	dei	Entity Central Index Key EntityCentralIndexKey	0001137091
CY2020	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
CY2020	dei	Entity Filer Category EntityFilerCategory	Non-accelerated Filer
CY2020	dei	Document Type DocumentType	10-K
CY2020	dei	Document Period End Date DocumentPeriodEndDate	2020-12-31
CY2020	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
CY2020	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	FY
CY2020	dei	Amendment Flag AmendmentFlag	false
CY2020	dei	Document Transition Report DocumentTransitionReport	false
CY2020	dei	Entity Shell Company EntityShellCompany	false
CY2021Q1	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	22892413	shares
CY2020	dei	Entity Well Known Seasoned Issuer EntityWellKnownSeasonedIssuer	No
CY2020	dei	Entity Voluntary Filers EntityVoluntaryFilers	No
CY2020	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
CY2020	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
CY2020	dei	Entity Small Business EntitySmallBusiness	true
CY2020Q2	dei	Entity Public Float EntityPublicFloat	20631024	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	us-gaap:OtherAssets
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset Statement Of Financial Position Extensible List OperatingLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	us-gaap:OtherAssets
CY2019Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
CY2020Q4	us-gaap	Operating Lease Liability Current Statement Of Financial Position Extensible List OperatingLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:AccountsPayableAndAccruedLiabilitiesCurrent
CY2019Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:DebtCurrent
CY2020Q4	us-gaap	Finance Lease Liability Current Statement Of Financial Position Extensible List FinanceLeaseLiabilityCurrentStatementOfFinancialPositionExtensibleList	us-gaap:DebtCurrent
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:LiabilitiesNoncurrentAbstract
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent Statement Of Financial Position Extensible List OperatingLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:LiabilitiesNoncurrentAbstract
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:LongTermDebtNoncurrent
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3701000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable Current AllowanceForDoubtfulAccountsReceivableCurrent	3561000	USD
CY2020Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	60148000	USD
CY2019Q4	us-gaap	Accounts Receivable Net Current AccountsReceivableNetCurrent	104515000	USD
CY2020Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	3708000	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent Statement Of Financial Position Extensible List FinanceLeaseLiabilityNoncurrentStatementOfFinancialPositionExtensibleList	us-gaap:LongTermDebtNoncurrent
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	us-gaap:OtherAssets
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset Statement Of Financial Position Extensible List FinanceLeaseRightOfUseAssetStatementOfFinancialPositionExtensibleList	us-gaap:OtherAssets
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	20968000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3000	USD
CY2020Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	3299000	USD
CY2019Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	0	USD
CY2019Q4	us-gaap	Income Taxes Receivable IncomeTaxesReceivable	1055000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	108213000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	108839000	USD
CY2020Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	6351000	USD
CY2019Q4	us-gaap	Prepaid Expense And Other Assets Current PrepaidExpenseAndOtherAssetsCurrent	8110000	USD
CY2020Q4	us-gaap	Assets Current AssetsCurrent	202687000	USD
CY2019Q4	us-gaap	Assets Current AssetsCurrent	222522000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	20181000	USD
CY2019Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	23194000	USD
CY2020Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	10319000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	13372000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	29835000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	29835000	USD
CY2020Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	20955000	USD
CY2019Q4	us-gaap	Other Assets Noncurrent OtherAssetsNoncurrent	24749000	USD
CY2020Q4	us-gaap	Assets Assets	283977000	USD
CY2019Q4	us-gaap	Assets Assets	313672000	USD
CY2020Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	31547000	USD
CY2019Q4	us-gaap	Accounts Payable Current AccountsPayableCurrent	75835000	USD
CY2020Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	310000	USD
CY2019Q4	us-gaap	Long Term Debt Current LongTermDebtCurrent	195000	USD
CY2020Q4	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	130000000	USD
CY2019Q4	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	39527000	USD
CY2020Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	77619000	USD
CY2019Q4	us-gaap	Other Accrued Liabilities Current OtherAccruedLiabilitiesCurrent	66030000	USD
CY2020Q4	us-gaap	Liabilities Current LiabilitiesCurrent	239476000	USD
CY2019Q4	us-gaap	Liabilities Current LiabilitiesCurrent	181587000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	886000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities Net DeferredIncomeTaxLiabilitiesNet	1105000	USD
CY2020Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	781000	USD
CY2019Q4	us-gaap	Long Term Debt Noncurrent LongTermDebtNoncurrent	55657000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	3181000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	17998000	USD
CY2020Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	33556000	USD
CY2019Q4	us-gaap	Other Liabilities Noncurrent OtherLiabilitiesNoncurrent	28828000	USD
CY2020Q4	us-gaap	Liabilities Liabilities	277880000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	285175000	USD
CY2019Q4	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
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2019Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
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CY2020Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	50000000	shares
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CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	23117000	shares
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CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	22857000	shares
CY2020Q4	us-gaap	Common Stock Value CommonStockValue	23000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	23000	USD
CY2020Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	157262000	USD
CY2019Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	156727000	USD
CY2020Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-149894000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	-126912000	USD
CY2020Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	225000	shares
CY2019Q4	us-gaap	Treasury Stock Shares TreasuryStockShares	260000	shares
CY2020Q4	us-gaap	Treasury Stock Value TreasuryStockValue	1294000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	1341000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	6097000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	28497000	USD
CY2020Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	283977000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	313672000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	417639000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	546076000	USD
CY2020	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	359191000	USD
CY2019	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	446188000	USD
CY2020	us-gaap	Gross Profit GrossProfit	58448000	USD
CY2019	us-gaap	Gross Profit GrossProfit	99888000	USD
CY2020	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	25375000	USD
CY2019	us-gaap	Research And Development Expense ResearchAndDevelopmentExpense	24932000	USD
CY2020	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	51744000	USD
CY2019	us-gaap	Selling And Marketing Expense SellingAndMarketingExpense	54115000	USD
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CY2019	us-gaap	Amortization Of Intangible Assets AmortizationOfIntangibleAssets	3638000	USD
CY2020	us-gaap	Operating Expenses OperatingExpenses	80172000	USD
CY2019	us-gaap	Operating Expenses OperatingExpenses	82685000	USD
CY2020	us-gaap	Operating Income Loss OperatingIncomeLoss	-21724000	USD
CY2019	us-gaap	Operating Income Loss OperatingIncomeLoss	17203000	USD
CY2020	us-gaap	Interest Expense InterestExpense	5714000	USD
CY2019	us-gaap	Interest Expense InterestExpense	7871000	USD
CY2020	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	0	USD
CY2019	us-gaap	Gain Loss On Derivative Instruments Net Pretax GainLossOnDerivativeInstrumentsNetPretax	-1352000	USD
CY2020Q4	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-497000	USD
CY2019Q4	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2020	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	1240000	USD
CY2019	us-gaap	Other Nonoperating Income OtherNonoperatingIncome	677000	USD
CY2020	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-4971000	USD
CY2019	us-gaap	Nonoperating Income Expense NonoperatingIncomeExpense	-8546000	USD
CY2020	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	-26695000	USD
CY2019	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	8657000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3713000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	409000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-22982000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	8248000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22872000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21512000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22872000	shares
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21530000	shares
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.00
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.00
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.38
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	-18578000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	8248000	USD
CY2019	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	1248000	USD
CY2019	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-489000	USD
CY2019	us-gaap	Stock Issued During Period Value New Issues StockIssuedDuringPeriodValueNewIssues	38068000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	28497000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-22982000	USD
CY2020	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	607000	USD
CY2020	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	-25000	USD
CY2020Q4	us-gaap	Stockholders Equity StockholdersEquity	6097000	USD
CY2020	us-gaap	Net Income Loss NetIncomeLoss	-22982000	USD
CY2019	us-gaap	Net Income Loss NetIncomeLoss	8248000	USD
CY2020	psix	Amortization Of Intangible Assets Cost And Operating Expense AmortizationOfIntangibleAssetsCostAndOperatingExpense	3053000	USD
CY2019	psix	Amortization Of Intangible Assets Cost And Operating Expense AmortizationOfIntangibleAssetsCostAndOperatingExpense	3638000	USD
CY2020	us-gaap	Depreciation Depreciation	5147000	USD
CY2019	us-gaap	Depreciation Depreciation	5161000	USD
CY2020	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	0	USD
CY2019	us-gaap	Fair Value Adjustment Of Warrants FairValueAdjustmentOfWarrants	1352000	USD
CY2020	us-gaap	Share Based Compensation ShareBasedCompensation	607000	USD
CY2019	us-gaap	Share Based Compensation ShareBasedCompensation	1248000	USD
CY2020	us-gaap	Paid In Kind Interest PaidInKindInterest	1594000	USD
CY2019	us-gaap	Paid In Kind Interest PaidInKindInterest	698000	USD
CY2019	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-17125000	USD
CY2020	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	-1452000	USD
CY2019	us-gaap	Deferred Income Taxes And Tax Credits DeferredIncomeTaxesAndTaxCredits	457000	USD
CY2020	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	-497000	USD
CY2019	us-gaap	Gains Losses On Extinguishment Of Debt GainsLossesOnExtinguishmentOfDebt	0	USD
CY2020	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	-209000	USD
CY2019	us-gaap	Other Operating Activities Cash Flow Statement OtherOperatingActivitiesCashFlowStatement	277000	USD
CY2020	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	-44611000	USD
CY2019	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	18095000	USD
CY2020	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	382000	USD
CY2019	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	3977000	USD
CY2020	us-gaap	Increase Decrease In Prepaid Deferred Expense And Other Assets IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets	-3958000	USD
CY2020	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-44161000	USD
CY2019	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-9494000	USD
CY2020	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	11106000	USD
CY2019	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	13948000	USD
CY2020	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-8981000	USD
CY2019	us-gaap	Increase Decrease In Other Noncurrent Liabilities IncreaseDecreaseInOtherNoncurrentLiabilities	-2429000	USD
CY2020	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-7594000	USD
CY2019	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	18157000	USD
CY2020	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	2402000	USD
CY2019	us-gaap	Payments For Capital Improvements PaymentsForCapitalImprovements	3681000	USD
CY2020	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	930000	USD
CY2019	us-gaap	Proceeds From Life Insurance Policies ProceedsFromLifeInsurancePolicies	0	USD
CY2020	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-60000	USD
CY2019	us-gaap	Payments For Proceeds From Other Investing Activities PaymentsForProceedsFromOtherInvestingActivities	-23000	USD
CY2020	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1412000	USD
CY2019	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-3658000	USD
CY2020	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	55290000	USD
CY2019	us-gaap	Repayments Of Debt And Capital Lease Obligations RepaymentsOfDebtAndCapitalLeaseObligations	194000	USD
CY2020	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1970000	USD
CY2019	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	650000	USD
CY2020	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	180298000	USD
CY2019	us-gaap	Proceeds From Long Term Lines Of Credit ProceedsFromLongTermLinesOfCredit	544146000	USD
CY2020	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	89826000	USD
CY2019	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-236000	USD
CY2020	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	33270000	USD
CY2019	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-14550000	USD
CY2019	us-gaap	Repayments Of Long Term Lines Of Credit RepaymentsOfLongTermLinesOfCredit	559232000	USD
CY2020	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	0	USD
CY2019	us-gaap	Proceeds From Warrant Exercises ProceedsFromWarrantExercises	1616000	USD
CY2020	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	58000	USD
CY2020	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	24264000	USD
CY2019	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Including Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect	-51000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	54000	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	24267000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3000	USD
CY2020Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	20968000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	3000	USD
CY2020Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	3299000	USD
CY2019Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	0	USD
CY2020Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	24267000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	3000	USD
CY2020Q4	psix	Number Of Board Members NumberOfBoardMembers	4	boardMember
CY2020	us-gaap	Number Of Operating Segments NumberOfOperatingSegments	1	segment
CY2020	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="margin-bottom:6pt;margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:700;line-height:120%">Reclassifications</span></div><div style="margin-bottom:6pt;margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Certain amounts recorded in the prior-period consolidated financial statements presented have been reclassified to conform to the current-period financial statement presentation. These reclassifications had no effect on previously reported results of operations.</span></div>
CY2020	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:6pt;margin-top:12pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:700;line-height:120%">Use of Estimates</span></div><div style="margin-bottom:6pt;margin-top:6pt;text-align:justify"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">The preparation of consolidated financial statements in conformity with U.S. GAAP requires that management make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the consolidated financial statements and the reported amounts of revenue and expenses during the reporting period. Significant estimates and assumptions include the valuation of allowances for uncollectible receivables, inventory reserves, warranty reserves, stock-based compensation, evaluation of goodwill, other intangibles, plant and equipment for impairment, and determination of useful lives of long-lived assets. Actual results could materially differ from those estimates.</span></div>
CY2020Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	2300000	USD
CY2020Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	3300000	USD
CY2020	psix	Research And Development Expense Excluding Engineering ResearchAndDevelopmentExpenseExcludingEngineering	24300000	USD
CY2019	psix	Research And Development Expense Excluding Engineering ResearchAndDevelopmentExpenseExcludingEngineering	23300000	USD
CY2020Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	89684000	USD
CY2019Q4	us-gaap	Inventory Raw Materials InventoryRawMaterials	90677000	USD
CY2020Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	2482000	USD
CY2019Q4	us-gaap	Inventory Work In Process InventoryWorkInProcess	2007000	USD
CY2020Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	19375000	USD
CY2019Q4	us-gaap	Inventory Finished Goods InventoryFinishedGoods	19119000	USD
CY2020Q4	us-gaap	Inventory Gross InventoryGross	111541000	USD
CY2019Q4	us-gaap	Inventory Gross InventoryGross	111803000	USD
CY2020Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	3328000	USD
CY2019Q4	us-gaap	Inventory Valuation Reserves InventoryValuationReserves	2964000	USD
CY2020Q4	us-gaap	Inventory Net InventoryNet	108213000	USD
CY2019Q4	us-gaap	Inventory Net InventoryNet	108839000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2964000	USD
CY2018Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	5730000	USD
CY2020	psix	Allowance For Doubtful Accounts Additions For Charges To Expense AllowanceForDoubtfulAccountsAdditionsForChargesToExpense	1436000	USD
CY2019	psix	Allowance For Doubtful Accounts Additions For Charges To Expense AllowanceForDoubtfulAccountsAdditionsForChargesToExpense	677000	USD
CY2020	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	1072000	USD
CY2019	us-gaap	Allowance For Doubtful Accounts Receivable Write Offs AllowanceForDoubtfulAccountsReceivableWriteOffs	3443000	USD
CY2020Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	3328000	USD
CY2019Q4	us-gaap	Allowance For Doubtful Accounts Receivable AllowanceForDoubtfulAccountsReceivable	2964000	USD
CY2019	us-gaap	Number Of Reporting Units NumberOfReportingUnits	2	reportingUnit
CY2019	us-gaap	Number Of Reporting Units NumberOfReportingUnits	2	reportingUnit
CY2020	us-gaap	Number Of Reporting Units NumberOfReportingUnits	1	reportingUnit
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2019	us-gaap	Goodwill Impairment Loss GoodwillImpairmentLoss	0	USD
CY2020Q4	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	14928000	USD
CY2019Q4	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	17142000	USD
CY2020Q4	us-gaap	Litigation Reserve LitigationReserve	3128000	USD
CY2019Q4	us-gaap	Litigation Reserve LitigationReserve	5020000	USD
CY2020Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	47960000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	26898000	USD
CY2020Q4	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	3124000	USD
CY2019Q4	us-gaap	Accrued Employee Benefits Current And Noncurrent AccruedEmployeeBenefitsCurrentAndNoncurrent	6599000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	3793000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	3789000	USD
CY2020Q4	us-gaap	Interest Payable Current InterestPayableCurrent	895000	USD
CY2019Q4	us-gaap	Interest Payable Current InterestPayableCurrent	1087000	USD
CY2020Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	3791000	USD
CY2019Q4	us-gaap	Other Sundry Liabilities Current OtherSundryLiabilitiesCurrent	5495000	USD
CY2020Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	77619000	USD
CY2019Q4	us-gaap	Accrued Liabilities And Other Liabilities AccruedLiabilitiesAndOtherLiabilities	66030000	USD
CY2019Q4	us-gaap	Litigation Reserve Current LitigationReserveCurrent	1900000	USD
CY2019Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	25501000	USD
CY2019	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	10680000	USD
CY2020Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	31542000	USD
CY2018Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	23102000	USD
CY2020	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	18272000	USD
CY2019Q4	us-gaap	Standard Product Warranty Accrual StandardProductWarrantyAccrual	25501000	USD
CY2020Q4	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	14928000	USD
CY2019Q4	us-gaap	Standard Product Warranty Accrual Current StandardProductWarrantyAccrualCurrent	17142000	USD
CY2019	us-gaap	Standard Product Warranty Accrual Warranties Issued StandardProductWarrantyAccrualWarrantiesIssued	10349000	USD
CY2020	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	8738000	USD
CY2019	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	2730000	USD
CY2020	us-gaap	Standard Product Warranty Accrual Payments StandardProductWarrantyAccrualPayments	20969000	USD
CY2020Q4	us-gaap	Standard Product Warranty Accrual Noncurrent StandardProductWarrantyAccrualNoncurrent	16614000	USD
CY2019Q4	us-gaap	Standard Product Warranty Accrual Noncurrent StandardProductWarrantyAccrualNoncurrent	8359000	USD
CY2020	us-gaap	Product Warranty Expense ProductWarrantyExpense	19500000	USD
CY2019	us-gaap	Product Warranty Expense ProductWarrantyExpense	10100000	USD
CY2020	psix	Product Warranty Recoveries ProductWarrantyRecoveries	7500000	USD
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	417639000	USD
CY2019	psix	Product Warranty Recoveries ProductWarrantyRecoveries	2200000	USD
CY2020	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	8700000	USD
CY2020	psix	Standard Product Warranty Accrual Earnings Per Share Diluted StandardProductWarrantyAccrualEarningsPerShareDiluted	0.38
CY2019	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	2700000	USD
CY2019	psix	Standard Product Warranty Accrual Earnings Per Share Diluted StandardProductWarrantyAccrualEarningsPerShareDiluted	0.13
CY2020	psix	Revenue From Contract With Customer Performance Obligation Satisfied At Point In Time RevenueFromContractWithCustomerPerformanceObligationSatisfiedAtPointInTime	370700000	USD
CY2019	psix	Revenue From Contract With Customer Performance Obligation Satisfied At Point In Time RevenueFromContractWithCustomerPerformanceObligationSatisfiedAtPointInTime	489000000.0	USD
CY2020	psix	Revenue From Contract With Customer Performance Obligation Satisfied Over Time RevenueFromContractWithCustomerPerformanceObligationSatisfiedOverTime	46900000	USD
CY2019	psix	Revenue From Contract With Customer Performance Obligation Satisfied Over Time RevenueFromContractWithCustomerPerformanceObligationSatisfiedOverTime	57100000	USD
CY2020Q4	psix	Number Of Supply Agreements NumberOfSupplyAgreements	2	supplyAgreement
CY2020	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	417639000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	546076000	USD
CY2019	us-gaap	Revenue From Contract With Customer Excluding Assessed Tax RevenueFromContractWithCustomerExcludingAssessedTax	546076000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1000000.0	USD
CY2020Q4	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	547000	USD
CY2019Q4	us-gaap	Contract With Customer Asset Gross Current ContractWithCustomerAssetGrossCurrent	694000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	47960000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Current ContractWithCustomerLiabilityCurrent	26898000	USD
CY2020Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	3181000	USD
CY2019Q4	us-gaap	Contract With Customer Liability Noncurrent ContractWithCustomerLiabilityNoncurrent	17998000	USD
CY2020Q4	psix	Contract With Customer Asset Liability ContractWithCustomerAssetLiability	-50594000	USD
CY2019Q4	psix	Contract With Customer Asset Liability ContractWithCustomerAssetLiability	-44202000	USD
CY2020	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	30800000	USD
CY2019	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	6700000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	50100000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	46900000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	700000	USD
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	1000000.0	USD
CY2017Q1	psix	Collaborative Arrangement Term CollaborativeArrangementTerm	P3Y
CY2020Q4	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	500000	USD
CY2017Q1	psix	Collaborative Arrangement Term CollaborativeArrangementTerm	P3Y
CY2020	psix	Collaborative Arrangement Inventory Purchased Goods CollaborativeArrangementInventoryPurchasedGoods	18600000	USD
CY2019	psix	Collaborative Arrangement Inventory Purchased Goods CollaborativeArrangementInventoryPurchasedGoods	4400000	USD
CY2020Q4	psix	Collaborative Arrangement Accounts Payable CollaborativeArrangementAccountsPayable	4000000.0	USD
CY2019Q4	psix	Collaborative Arrangement Accounts Payable CollaborativeArrangementAccountsPayable	5900000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	51425000	USD
CY2019Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Before Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetBeforeAccumulatedDepreciationAndAmortization	49667000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	31244000	USD
CY2019Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAccumulatedDepreciationAndAmortization	26473000	USD
CY2020Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	20181000	USD
CY2019Q4	us-gaap	Property Plant And Equipment And Finance Lease Right Of Use Asset After Accumulated Depreciation And Amortization PropertyPlantAndEquipmentAndFinanceLeaseRightOfUseAssetAfterAccumulatedDepreciationAndAmortization	23194000	USD
CY2020Q4	us-gaap	Goodwill Goodwill	29800000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	29800000	USD
CY2019Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	11600000	USD
CY2020Q4	us-gaap	Goodwill Impaired Accumulated Impairment Loss GoodwillImpairedAccumulatedImpairmentLoss	11600000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	37340000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	27021000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	10319000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Gross FiniteLivedIntangibleAssetsGross	37340000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Accumulated Amortization FiniteLivedIntangibleAssetsAccumulatedAmortization	23968000	USD
CY2019Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	13372000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Next Twelve Months FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths	2535000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Two FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo	2124000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Three FiniteLivedIntangibleAssetsAmortizationExpenseYearThree	1746000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Four FiniteLivedIntangibleAssetsAmortizationExpenseYearFour	1459000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense Year Five FiniteLivedIntangibleAssetsAmortizationExpenseYearFive	1219000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Amortization Expense After Year Five FiniteLivedIntangibleAssetsAmortizationExpenseAfterYearFive	1236000	USD
CY2020Q4	us-gaap	Finite Lived Intangible Assets Net FiniteLivedIntangibleAssetsNet	10319000	USD
CY2020Q4	psix	Finance Lease Liability And Other Long Term Debt FinanceLeaseLiabilityAndOtherLongTermDebt	1091000	USD
CY2019Q4	psix	Finance Lease Liability And Other Long Term Debt FinanceLeaseLiabilityAndOtherLongTermDebt	1087000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Gross DeferredFinanceCostsGross	0	USD
CY2019Q4	us-gaap	Deferred Finance Costs Gross DeferredFinanceCostsGross	235000	USD
CY2020Q4	psix	Long Term Debt And Finance Lease Liability LongTermDebtAndFinanceLeaseLiability	1091000	USD
CY2019Q4	psix	Long Term Debt And Finance Lease Liability LongTermDebtAndFinanceLeaseLiability	55852000	USD
CY2020Q4	psix	Long Term Debt Current Maturities And Finance Lease Liability Current LongTermDebtCurrentMaturitiesAndFinanceLeaseLiabilityCurrent	310000	USD
CY2019Q4	psix	Long Term Debt Current Maturities And Finance Lease Liability Current LongTermDebtCurrentMaturitiesAndFinanceLeaseLiabilityCurrent	195000	USD
CY2020Q4	us-gaap	Long Term Debt LongTermDebt	781000	USD
CY2019Q4	us-gaap	Long Term Debt LongTermDebt	55657000	USD
CY2020Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	1100000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	300000	USD
CY2020	us-gaap	Interest Expense Debt InterestExpenseDebt	4200000	USD
CY2019	us-gaap	Interest Expense Debt InterestExpenseDebt	6900000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Next Twelve Months LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths	125000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Two LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo	125000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Three LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree	117000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Four LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour	117000	USD
CY2020Q4	us-gaap	Long Term Debt Maturities Repayments Of Principal In Year Five LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive	30000	USD
CY2020Q4	us-gaap	Debt Instrument Carrying Amount DebtInstrumentCarryingAmount	514000	USD
CY2020Q4	us-gaap	Operating Lease Cost OperatingLeaseCost	5452000	USD
CY2019Q4	us-gaap	Operating Lease Cost OperatingLeaseCost	5472000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	208000	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset Amortization FinanceLeaseRightOfUseAssetAmortization	170000	USD
CY2020Q4	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	48000	USD
CY2019Q4	us-gaap	Finance Lease Interest Expense FinanceLeaseInterestExpense	49000	USD
CY2020Q4	us-gaap	Short Term Lease Cost ShortTermLeaseCost	410000	USD
CY2019Q4	us-gaap	Short Term Lease Cost ShortTermLeaseCost	492000	USD
CY2020Q4	us-gaap	Variable Lease Cost VariableLeaseCost	1493000	USD
CY2019Q4	us-gaap	Variable Lease Cost VariableLeaseCost	1675000	USD
CY2020Q4	us-gaap	Lease Cost LeaseCost	7611000	USD
CY2019Q4	us-gaap	Lease Cost LeaseCost	7858000	USD
CY2020	us-gaap	Operating Lease Payments OperatingLeasePayments	5405000	USD
CY2019	us-gaap	Operating Lease Payments OperatingLeasePayments	5181000	USD
CY2020	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	48000	USD
CY2019	us-gaap	Finance Lease Interest Payment On Liability FinanceLeaseInterestPaymentOnLiability	49000	USD
CY2020	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	195000	USD
CY2019	us-gaap	Finance Lease Principal Payments FinanceLeasePrincipalPayments	152000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	299000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Operating Lease Liability RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability	280000	USD
CY2020	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	11000	USD
CY2019	us-gaap	Right Of Use Asset Obtained In Exchange For Finance Lease Liability RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability	536000	USD
CY2020Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y2M12D
CY2019Q4	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P6Y8M12D
CY2020Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P3Y9M18D
CY2019Q4	us-gaap	Finance Lease Weighted Average Remaining Lease Term1 FinanceLeaseWeightedAverageRemainingLeaseTerm1	P4Y6M
CY2020Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.071
CY2019Q4	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.072
CY2020Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.067
CY2019Q4	us-gaap	Finance Lease Weighted Average Discount Rate Percent FinanceLeaseWeightedAverageDiscountRatePercent	0.068
CY2020Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	17104000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	20677000	USD
CY2020Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	3793000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	17949000	USD
CY2019Q4	us-gaap	Operating Lease Liability Current OperatingLeaseLiabilityCurrent	3789000	USD
CY2020Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	14156000	USD
CY2019Q4	us-gaap	Operating Lease Liability Noncurrent OperatingLeaseLiabilityNoncurrent	17679000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	21468000	USD
CY2020Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	568000	USD
CY2019Q4	us-gaap	Finance Lease Right Of Use Asset FinanceLeaseRightOfUseAsset	777000	USD
CY2020Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	200000	USD
CY2019Q4	us-gaap	Finance Lease Liability Current FinanceLeaseLiabilityCurrent	195000	USD
CY2020Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	413000	USD
CY2019Q4	us-gaap	Finance Lease Liability Noncurrent FinanceLeaseLiabilityNoncurrent	617000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	613000	USD
CY2019Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	812000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	4948000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Next Twelve Months FinanceLeaseLiabilityPaymentsDueNextTwelveMonths	245000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	4788000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Two FinanceLeaseLiabilityPaymentsDueYearTwo	177000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	3283000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Three FinanceLeaseLiabilityPaymentsDueYearThree	103000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	1813000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Four FinanceLeaseLiabilityPaymentsDueYearFour	84000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	1851000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due Year Five FinanceLeaseLiabilityPaymentsDueYearFive	81000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	5548000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due After Year Five FinanceLeaseLiabilityPaymentsDueAfterYearFive	4000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	22231000	USD
CY2020Q4	us-gaap	Finance Lease Liability Payments Due FinanceLeaseLiabilityPaymentsDue	694000	USD
CY2020Q4	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	4282000	USD
CY2020Q4	us-gaap	Finance Lease Liability Undiscounted Excess Amount FinanceLeaseLiabilityUndiscountedExcessAmount	81000	USD
CY2020Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	17949000	USD
CY2020Q4	us-gaap	Finance Lease Liability FinanceLeaseLiability	613000	USD
CY2019	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	1100000	USD
CY2020Q1	us-gaap	Unusual Or Infrequent Item Insurance Proceeds UnusualOrInfrequentItemInsuranceProceeds	30000000.0	USD
CY2020Q4	psix	Number Of Outstanding Letters Of Credit NumberOfOutstandingLettersOfCredit	6	lettersOfCredit
CY2019Q4	psix	Defined Contribution Plan Cost Liability DefinedContributionPlanCostLiability	500000	USD
CY2020	us-gaap	Defined Contribution Plan Cost Recognized DefinedContributionPlanCostRecognized	800000	USD
CY2020Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	2300000	USD
CY2020Q4	us-gaap	Restricted Cash Current RestrictedCashCurrent	3300000	USD
CY2020	psix	Long Term Purchase Commitment Penalty LongTermPurchaseCommitmentPenalty	400000	USD
CY2020	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-2299000	USD
CY2019	us-gaap	Current Federal Tax Expense Benefit CurrentFederalTaxExpenseBenefit	-238000	USD
CY2020	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	25000	USD
CY2019	us-gaap	Current State And Local Tax Expense Benefit CurrentStateAndLocalTaxExpenseBenefit	91000	USD
CY2020	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	13000	USD
CY2019	us-gaap	Current Foreign Tax Expense Benefit CurrentForeignTaxExpenseBenefit	99000	USD
CY2020	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-2261000	USD
CY2019	us-gaap	Current Income Tax Expense Benefit CurrentIncomeTaxExpenseBenefit	-48000	USD
CY2020	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	-1710000	USD
CY2019	us-gaap	Deferred Federal Income Tax Expense Benefit DeferredFederalIncomeTaxExpenseBenefit	329000	USD
CY2020	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	258000	USD
CY2019	us-gaap	Deferred State And Local Income Tax Expense Benefit DeferredStateAndLocalIncomeTaxExpenseBenefit	128000	USD
CY2020	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-1452000	USD
CY2019	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	457000	USD
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3713000	USD
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	409000	USD
CY2020	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	200000	USD
CY2019	us-gaap	Proceeds From Income Tax Refunds ProceedsFromIncomeTaxRefunds	300000	USD
CY2020	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	-5606000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2019	us-gaap	Income Tax Reconciliation Income Tax Expense Benefit At Federal Statutory Income Tax Rate IncomeTaxReconciliationIncomeTaxExpenseBenefitAtFederalStatutoryIncomeTaxRate	1818000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation At Federal Statutory Income Tax Rate EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate	0.210
CY2020	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	-1979000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.074
CY2019	us-gaap	Income Tax Reconciliation State And Local Income Taxes IncomeTaxReconciliationStateAndLocalIncomeTaxes	618000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation State And Local Income Taxes EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes	0.071
CY2020	psix	Effective Income Tax Rate Reconciliation Nondeductible Expense Warrants Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseWarrantsAmount	0	USD
CY2020	psix	Effective Income Tax Rate Reconciliation Nondeductible Expense Warrants Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseWarrantsPercent	0
CY2019	psix	Effective Income Tax Rate Reconciliation Nondeductible Expense Warrants Amount EffectiveIncomeTaxRateReconciliationNondeductibleExpenseWarrantsAmount	284000	USD
CY2019	psix	Effective Income Tax Rate Reconciliation Nondeductible Expense Warrants Percent EffectiveIncomeTaxRateReconciliationNondeductibleExpenseWarrantsPercent	0.033
CY2020	psix	Effective Income Tax Rate Reconciliation Other Permanent Differences Amount EffectiveIncomeTaxRateReconciliationOtherPermanentDifferencesAmount	-185000	USD
CY2020	psix	Effective Income Tax Rate Reconciliation Other Permanent Differences Percent EffectiveIncomeTaxRateReconciliationOtherPermanentDifferencesPercent	0.007
CY2019	psix	Effective Income Tax Rate Reconciliation Other Permanent Differences Amount EffectiveIncomeTaxRateReconciliationOtherPermanentDifferencesAmount	46000	USD
CY2019	psix	Effective Income Tax Rate Reconciliation Other Permanent Differences Percent EffectiveIncomeTaxRateReconciliationOtherPermanentDifferencesPercent	0.005
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	551000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	-0.021
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Research IncomeTaxReconciliationTaxCreditsResearch	715000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Research EffectiveIncomeTaxRateReconciliationTaxCreditsResearch	0.083
CY2020	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	555000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	-0.021
CY2019	us-gaap	Income Tax Reconciliation Tax Credits Other IncomeTaxReconciliationTaxCreditsOther	-1000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Tax Credits Other EffectiveIncomeTaxRateReconciliationTaxCreditsOther	0
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	-0.004
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	279000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Percent EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitPercent	0.032
CY2020	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-105000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	0.004
CY2019	us-gaap	Income Tax Reconciliation Other Reconciling Items IncomeTaxReconciliationOtherReconcilingItems	-3000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Reconciling Items Percent EffectiveIncomeTaxRateReconciliationOtherReconcilingItemsPercent	0
CY2020	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	-3713000	USD
CY2019	psix	Income Loss From Continuing Operations Before Income Taxes Noncontrolling Interest And Permanently Excludable Income IncomeLossFromContinuingOperationsBeforeIncomeTaxesNoncontrollingInterestAndPermanentlyExcludableIncome	8700000	USD
CY2019	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.047
CY2020	psix	Income Loss From Continuing Operations Before Income Taxes Noncontrolling Interest And Permanently Excludable Income IncomeLossFromContinuingOperationsBeforeIncomeTaxesNoncontrollingInterestAndPermanentlyExcludableIncome	-26700000	USD
CY2020	psix	Effective Income Tax Rate Reconciliation Tax Reserve Reassessment Amount EffectiveIncomeTaxRateReconciliationTaxReserveReassessmentAmount	-7000	USD
CY2020	psix	Effective Income Tax Rate Reconciliation Tax Reserve Reassessment Percent EffectiveIncomeTaxRateReconciliationTaxReserveReassessmentPercent	0
CY2019	psix	Effective Income Tax Rate Reconciliation Tax Reserve Reassessment Amount EffectiveIncomeTaxRateReconciliationTaxReserveReassessmentAmount	25000	USD
CY2019	psix	Effective Income Tax Rate Reconciliation Tax Reserve Reassessment Percent EffectiveIncomeTaxRateReconciliationTaxReserveReassessmentPercent	0.003
CY2020	psix	Effective Income Tax Rate Reconciliation Cares Act Amount EffectiveIncomeTaxRateReconciliationCARESActAmount	1390000	USD
CY2020	psix	Effective Income Tax Rate Reconciliation Cares Act Percent EffectiveIncomeTaxRateReconciliationCARESActPercent	-0.052
CY2019	psix	Effective Income Tax Rate Reconciliation Cares Act Amount EffectiveIncomeTaxRateReconciliationCARESActAmount	0	USD
CY2019	psix	Effective Income Tax Rate Reconciliation Cares Act Percent EffectiveIncomeTaxRateReconciliationCARESActPercent	0
CY2020	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	6348000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.238
CY2019	us-gaap	Income Tax Reconciliation Change In Deferred Tax Assets Valuation Allowance IncomeTaxReconciliationChangeInDeferredTaxAssetsValuationAllowance	-2696000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Change In Deferred Tax Assets Valuation Allowance EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance	-0.311
CY2020	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	213000	USD
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	-0.008
CY2019	us-gaap	Income Tax Reconciliation Other Adjustments IncomeTaxReconciliationOtherAdjustments	752000	USD
CY2019	us-gaap	Effective Income Tax Rate Reconciliation Other Adjustments EffectiveIncomeTaxRateReconciliationOtherAdjustments	0.087
CY2020	us-gaap	Effective Income Tax Rate Reconciliation Share Based Compensation Excess Tax Benefit Amount EffectiveIncomeTaxRateReconciliationShareBasedCompensationExcessTaxBenefitAmount	104000	USD
CY2020	psix	Deferred Tax Assets Tax Credit Carryforwards General Business Period Carried Forward DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusinessPeriodCarriedForward	P20Y
CY2020	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.139
CY2019	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	409000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	19167000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards DeferredTaxAssetsOperatingLossCarryforwards	16389000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	4982000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Credit Carryforwards Research DeferredTaxAssetsTaxCreditCarryforwardsResearch	4398000	USD
CY2020Q4	psix	Deferred Tax Assets Tax Credit Carryforwards Other State DeferredTaxAssetsTaxCreditCarryforwardsOtherState	3372000	USD
CY2019Q4	psix	Deferred Tax Assets Tax Credit Carryforwards Other State DeferredTaxAssetsTaxCreditCarryforwardsOtherState	1922000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	2693000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Inventory DeferredTaxAssetsInventory	1718000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	1356000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Allowance For Doubtful Accounts DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAllowanceForDoubtfulAccounts	1009000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Warranty Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves	8441000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Warranty Reserves DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsWarrantyReserves	6344000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	240000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Employee Compensation DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation	1294000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	1789000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Reserves And Accruals Other DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsOther	1393000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	223000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	612000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Share Based Compensation Cost DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost	205000	USD
CY2020Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	210000	USD
CY2020Q4	psix	Deferred Tax Assets Operating Lease Liability DeferredTaxAssetsOperatingLeaseLiability	4934000	USD
CY2019Q4	psix	Deferred Tax Assets Operating Lease Liability DeferredTaxAssetsOperatingLeaseLiability	5989000	USD
CY2019Q4	us-gaap	Deferred Tax Assets In Process Research And Development DeferredTaxAssetsInProcessResearchAndDevelopment	486000	USD
CY2020Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	2305000	USD
CY2019Q4	us-gaap	Deferred Tax Asset Interest Carryforward DeferredTaxAssetInterestCarryforward	1688000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	1357000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Goodwill And Intangible Assets DeferredTaxAssetsGoodwillAndIntangibleAssets	1855000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	3307000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Deferred Income DeferredTaxAssetsDeferredIncome	3583000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Other DeferredTaxAssetsOther	356000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	54988000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Gross DeferredTaxAssetsGross	48629000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	48056000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Valuation Allowance DeferredTaxAssetsValuationAllowance	41709000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	6932000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	900000	USD
CY2019Q4	us-gaap	Deferred Tax Assets Net DeferredTaxAssetsNet	6920000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	4545000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Leasing Arrangements DeferredTaxLiabilitiesLeasingArrangements	5652000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	3273000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities Property Plant And Equipment DeferredTaxLiabilitiesPropertyPlantAndEquipment	2373000	USD
CY2020Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	7818000	USD
CY2019Q4	us-gaap	Deferred Income Tax Liabilities DeferredIncomeTaxLiabilities	8025000	USD
CY2020Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	886000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1105000	USD
CY2019Q4	us-gaap	Deferred Tax Liabilities DeferredTaxLiabilities	1100000	USD
CY2020Q4	us-gaap	Tax Credit Carryforward Amount TaxCreditCarryforwardAmount	8400000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards Domestic DeferredTaxAssetsOperatingLossCarryforwardsDomestic	13200000	USD
CY2020Q4	us-gaap	Deferred Tax Assets Operating Loss Carryforwards State And Local DeferredTaxAssetsOperatingLossCarryforwardsStateAndLocal	6000000.0	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1430000	USD
CY2018Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1421000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	103000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Increases Resulting From Current Period Tax Positions UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions	144000	USD
CY2020	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	102000	USD
CY2019	us-gaap	Unrecognized Tax Benefits Decreases Resulting From Prior Period Tax Positions UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions	135000	USD
CY2020Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1431000	USD
CY2019Q4	us-gaap	Unrecognized Tax Benefits UnrecognizedTaxBenefits	1430000	USD
CY2020	psix	Income Tax Expense Benefit Alternative Minimum Tax Cares Act IncomeTaxExpenseBenefitAlternativeMinimumTaxCARESAct	-2200000	USD
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	19067000	shares
CY2018Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	429000	shares
CY2020	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	35000	shares
CY2020Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	23117000	shares
CY2020Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	18638000	shares
CY2019	us-gaap	Stock Issued During Period Shares Treasury Stock Reissued StockIssuedDuringPeriodSharesTreasuryStockReissued	169000	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	23117000	shares
CY2019Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	260000	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	22857000	shares
CY2020Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	225000	shares
CY2020Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	22892000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	607000	USD
CY2019	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1248000	USD
CY2020	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	104000	USD
CY2019	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	279000	USD
CY2019	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	21530000	shares
CY2020	psix	Net Income Loss Available To Common Stockholders Basic And Diluted NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted	-22982000	USD
CY2019	psix	Net Income Loss Available To Common Stockholders Basic And Diluted NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted	8248000	USD
CY2020	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	22872000	shares
CY2019	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	21512000	shares
CY2020	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	0	shares
CY2019	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	18000	shares
CY2020	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	22872000	shares
CY2019	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.38
CY2020	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	-1.00
CY2020	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	-1.00
CY2019	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.38
CY2020	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	200000	shares
CY2019	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	1400000	shares

Files In Submission

Name	View Source	Status
0001137091-21-000002-index-headers.html	Edgar Link	pending
0001137091-21-000002-index.html	Edgar Link	pending
0001137091-21-000002.txt	Edgar Link	pending
0001137091-21-000002-xbrl.zip	Edgar Link	pending
exhibit1027ltip.htm	Edgar Link	pending
exhibit211-psiandconsolida.htm	Edgar Link	pending
exhibit231-bdoconsent2.htm	Edgar Link	pending
exhibit311-ceocertificatio.htm	Edgar Link	pending
exhibit312-cfocertificatio.htm	Edgar Link	pending
exhibit321-ceocertificatio.htm	Edgar Link	pending
exhibit322-cfocertificatio.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
MetaLinks.json	Edgar Link	pending
psix-20201231.htm	Edgar Link	pending
psix-20201231.xsd	Edgar Link	pending
psix-20201231_cal.xml	Edgar Link	unprocessable
psix-20201231_def.xml	Edgar Link	unprocessable
psix-20201231_g1.jpg	Edgar Link	pending
psix-20201231_htm.xml	Edgar Link	completed
psix-20201231_lab.xml	Edgar Link	unprocessable
psix-20201231_pre.xml	Edgar Link	unprocessable
R1.htm	Edgar Link	pending
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R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$PSIX
POWER SOLUTIONS INTERNATIONAL, INC. Stock $psix

2019 Q4 Form 10-K Financial Statement

#000113709121000002 Filed on March 30, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PSIX POWER SOLUTIONS INTERNATIONAL, INC. Stock $psix

2019 Q4 Form 10-K Financial Statement

#000113709121000002 Filed on March 30, 2021

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$PSIX
POWER SOLUTIONS INTERNATIONAL, INC. Stock $psix