LEASES (Details 2)	3 Months Ended
Jun. 30, 2019 USD ($)
Cash used in operating activities	$ 924
Cash used in financing activities	$ 2,658

Payments From Financing Activities Relating To Leases

No definition available.

Name:	tpcs_PaymentsFromFinancingActivitiesRelatingToLeases
Namespace Prefix:	tpcs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration