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v3.21.1

CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) | 12 Months Ended
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Mar. 31, 2021 USD ($)
SUPPLEMENTAL INFORMATION - NONCASH INVESTING AND FINANCING TRANSACTIONS: |
Copy and print equipment including property, plant and equipment net | $ 45,663

X
- Definition Amount for print equipment cost including property plant and equipment, net noncash financing activities. + References No definition available. + Details
Name: | tpcs_PrintEquipmentCostIncludingPropertyPlantAndEquipmentNet
Namespace Prefix: | tpcs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration