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DEBT - Additional Information (Details) - USD ($) $ in Thousands |  |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
May 01, 2024 | Aug. 25, 2021 | Jan. 20, 2017 | Jun. 30, 2025 | Jun. 30, 2024 | Mar. 31, 2025 | Dec. 21, 2016
DEBT |  |  |  |  |  |  |
Maximum amount of borrowing base required to grant loan advance |  |  |  | $ 4,500 |  |  |
Weighted average amount outstanding |  |  |  | 2,991 |  |  |
Revolver loan |  |  |  |  |  |  |
DEBT |  |  |  |  |  |  |
Interest payments |  |  |  | $ 53 | $ 56 |  |
Stadco Term Loan, at 3.79% interest, due August 2028 |  |  |  |  |  |  |
DEBT |  |  |  |  |  |  |
Principal amount of debt |  | $ 4,000 |  |  |  |  |
Maturity term |  | 7 years |  |  |  |  |
Basis spread on variable rate (as a percent) |  | 2.25% |  |  |  |  |
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] |  | tpcs:FederalHomeLoanBankOfBostonClassicAdvanceRateMember |  |  |  |  |
Monthly payments of principal and interest amount |  | $ 54 |  |  |  |  |
Interest rate (as a percent) |  |  |  | 3.79% |  |  |
Unamortized debt issuance expense |  |  |  | $ 16 |  | $ 18 |
Stadco Term Loan, at 3.79% interest, due August 2028 | Ranor, Inc. | Revolver loan |  |  |  |  |  |  |
DEBT |  |  |  |  |  |  |
Principal amount of debt |  | 4,000 |  |  |  |  |
Ranor term loan | Revolving Credit Facility |  |  |  |  |  |  |
DEBT |  |  |  |  |  |  |
Weighted average interest rate (as a percent) |  |  |  | 6.93% |  | 7.47% |
Unused borrowing capacity |  |  |  | $ 1,949 |  | $ 1,256 |
Ranor term loan | Ranor, Inc. |  |  |  |  |  |  |
DEBT |  |  |  |  |  |  |
Proceeds drawn down |  | $ 2,850 |  |  |  |  |
Unamortized debt issuance expense |  |  |  | $ 40 |  | $ 50 |
Berkshire Loan | Revolver loan |  |  |  |  |  |  |
DEBT |  |  |  |  |  |  |
Nonrefundable commitment fee percentages |  |  |  | 0.25% |  |  |
Weighted average amount outstanding |  |  |  | $ 1,664 |  |  |
Berkshire Loan | Secured Term Loan |  |  |  |  |  |  |
DEBT |  |  |  |  |  |  |
Monthly payments of principal and interest amount |  |  | $ 17 |  |  |  |
Interest rate (as a percent) |  |  | 6.05% |  |  |  |
Berkshire Loan | Ranor, Inc. |  |  |  |  |  |  |
DEBT |  |  |  |  |  |  |
Debt instrument covenant trailing period for measurement of loan to value ratio |  |  |  | 365 days |  |  |
Berkshire Loan | Ranor, Inc. | Secured Term Loan |  |  |  |  |  |  |
DEBT |  |  |  |  |  |  |
Principal amount of debt |  |  |  |  |  |  | $ 2,850
Berkshire Loan | Minimum |  |  |  |  |  |  |
DEBT |  |  |  |  |  |  |
Cash flow ratio of debt service |  |  |  | 1 |  |  |
Debt instrument covenant leverage ratio year one |  |  |  | 1 |  |  |
Loan-to-Value Ratio |  |  |  | 1 |  |  |
Berkshire Loan | Maximum |  |  |  |  |  |  |
DEBT |  |  |  |  |  |  |
Cash flow ratio of debt service |  |  |  | 1.2 |  |  |
Debt instrument covenant leverage ratio year one |  |  |  | 2.5 |  |  |
Loan-to-Value Ratio |  |  |  | 0.75 |  |  |
Stadco Equipment Financing |  |  |  |  |  |  |
DEBT |  |  |  |  |  |  |
Equipment financing agreement | 2 years |  |  |  |  |  |
Equipment purchase price | $ 65 |  |  |  |  |  |
Monthly payments | $ 3 |  |  |  |  |  |

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