XML 53 R42.htm IDEA: XBRL DOCUMENT
v3.23.2

Weichai Transactions (Details) |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 22, 2023 | Jun. 30, 2023 USD ($) agreement | Jun. 30, 2022 USD ($) | Jun. 30, 2023 USD ($) agreement | Jun. 30, 2022 USD ($) | Mar. 24, 2023 USD ($) | Dec. 31, 2022 USD ($)
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Debt instrument, number of loan agreements | agreement |  | 4 |  | 4 |  |  |
Term of collaborative arrangement | 3 years |  |  |  |  |  |
Company sales |  | $ 1,000,000 | $ 100,000 | $ 2,100,000 | $ 500,000 |  |
Purchased inventory |  | 700,000 | $ 2,900,000 | 3,800,000 | $ 7,100,000 |  |
Collaborative arrangement, outstanding receivables |  | 2,000,000 |  | 2,000,000 |  |  | $ 2,300,000
Outstanding payables |  | 24,400,000 |  | 24,400,000 |  |  | $ 23,400,000
Revolving credit facility | First Shareholder's Loan Agreement, Weichai |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity |  | 110,000,000.0 |  | 110,000,000.0 |  | $ 130,000,000.0 |
Revolving credit facility | Amended Second Shareholder's Loan Agreement, Weichai |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity |  | 25,000,000 |  | 25,000,000 |  |  |
Revolving credit facility | Third Shareholder's Loan Agreement, Weichai |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity |  | 50,000,000 |  | 50,000,000 |  |  |
Revolving credit facility | Fourth Shareholder's Loan Agreement, Weichai |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Maximum borrowing capacity |  | $ 30,000,000 |  | $ 30,000,000 |  |  |

X
- Definition Collaborative Arrangement, Accounts Payable + References No definition available. + Details
Name: | psix_CollaborativeArrangementAccountsPayable
Namespace Prefix: | psix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Collaborative Arrangement, Inventory, Purchased Goods + References No definition available. + Details
Name: | psix_CollaborativeArrangementInventoryPurchasedGoods
Namespace Prefix: | psix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Collaborative Arrangement, Outstanding Receivables + References No definition available. + Details
Name: | psix_CollaborativeArrangementOutstandingReceivables
Namespace Prefix: | psix_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Collaborative Arrangement, Sales + References No definition available. + Details
Name: | psix_CollaborativeArrangementSales
Namespace Prefix: | psix_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Collaborative Arrangement, Term + References No definition available. + Details
Name: | psix_CollaborativeArrangementTerm
Namespace Prefix: | psix_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt Instrument, Number Of Loan Agreements + References No definition available. + Details
Name: | psix_DebtInstrumentNumberOfLoanAgreements
Namespace Prefix: | psix_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
Name: | us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SubsidiarySaleOfStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=psix_FirstShareholdersLoanAgreementWeichaiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=psix_AmendedSecondShareholdersLoanAgreementWeichaiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=psix_ThirdShareholdersLoanAgreementWeichaiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DebtInstrumentAxis=psix_FourthShareholdersLoanAgreementWeichaiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |