COMMITMENTS (Details) $ in Millions	Sep. 30, 2018 USD ($)
Commitments
Employee Agreement Annual Commitment For Vacation And Holiday	$ 0.3
Employee Agreement Annual Commitment For Future Salaries During Next Fiscal Year	$ 0.5

Represents the aggregate annual commitment as of the reporting date for future salaries (excluding bonuses) during the next fiscal year under existing employment agreements.

No definition available.

Name:	tpcs_EmployeeAgreementAnnualCommitmentForFutureSalariesDuringNextFiscalYear
Namespace Prefix:	tpcs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant