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CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)
Dec. 31, 2014
Mar. 31, 2014
Accounts receivable, allowance for doubtful accounts (in dollars) $ 25,010us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent $ 25,010us-gaap_AllowanceForDoubtfulAccountsReceivableCurrent
Preferred stock, par value (in dollars per share) $ 0.0001us-gaap_PreferredStockParOrStatedValuePerShare $ 0.0001us-gaap_PreferredStockParOrStatedValuePerShare
Preferred stock, shares authorized 10,000,000us-gaap_PreferredStockSharesAuthorized 10,000,000us-gaap_PreferredStockSharesAuthorized
Common stock, par value (in dollars per share) $ 0.0001us-gaap_CommonStockParOrStatedValuePerShare $ 0.0001us-gaap_CommonStockParOrStatedValuePerShare
Common stock, shares authorized 90,000,000us-gaap_CommonStockSharesAuthorized 90,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued 24,669,958us-gaap_CommonStockSharesIssued 23,951,004us-gaap_CommonStockSharesIssued
Common stock, shares outstanding 24,669,958us-gaap_CommonStockSharesOutstanding 23,951,004us-gaap_CommonStockSharesOutstanding
Series A Convertible Preferred Stock    
Preferred stock, designated as Series A Convertible Preferred Stock 9,890,980tpcs_PreferredStockDesignatedShares
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
9,890,980tpcs_PreferredStockDesignatedShares
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
Preferred Stock, Shares Issued 1,927,508us-gaap_PreferredStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
2,477,508us-gaap_PreferredStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
Preferred stock, shares outstanding 1,927,508us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
2,477,508us-gaap_PreferredStockSharesOutstanding
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
Preferred stock, liquidation preference (in dollars) $ 549,340us-gaap_PreferredStockLiquidationPreferenceValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember
$ 706,090us-gaap_PreferredStockLiquidationPreferenceValue
/ us-gaap_StatementClassOfStockAxis
= us-gaap_ConvertiblePreferredStockMember