CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Parenthetical) (USD $)	12 Months Ended
Mar. 31, 2013	Mar. 31, 2012
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY
Other comprehensive income (loss), tax	$ (4,672)	$ (148,120)

Tax effect of other comprehensive income (loss) attributable to the equity of the parent entity .

No definition available.

Name:	tpcs_OtherComprehensiveIncomeLossTaxPortionAttributableToParentEquity
Namespace Prefix:	tpcs_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration