Name:	tpcs_CashDepositsInBank
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Balance Type:	debit
Period Type:	instant

Represents the maximum amount of debt that can be defaulted under the terms of the covenant.

No definition available.

Name:	tpcs_DebtInstrumentCovenantMaximumDefaultInPaymentOfDebtAmount
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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Represents the actual leverage ratio as of the reporting period.

No definition available.

Name:	tpcs_DebtInstrumentLeverageRatioActual
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Data Type:	xbrli:pureItemType
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Period Type:	instant

Represents the leverage ratio under the financial covenant.

No definition available.

Name:	tpcs_DebtInstrumentLeverageRatioCovenant
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Stated interest rate to be used as the basis for the variable rate calculation of the debt instrument.

No definition available.

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

Name:	tpcs_DescriptionOfBusinessLineItems
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Balance Type:	na
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Loan proceeds retained for general corporate purposes.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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Represents the number of customers in bankruptcy proceedings.

No definition available.

Name:	tpcs_NumberOfCustomersInBankruptcyProceedings
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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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The numberof main industry groups in which products are sold to customers.

No definition available.

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Data Type:	xbrli:integerItemType
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Represents the percentage of accounts receivable at risk of not being paid in a timely manner due to a contract dispute.

No definition available.

Name:	tpcs_PercentageOfAccountsReceivableAtRiskOfTimelyPaymentDueToContractDispute
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Represents the period wherein the bank has the right to accelerate payment of the debt in full in case of default.

No definition available.

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Cumulative provision for customer purchase agreement losses not offset against related costs accumulated on the balance sheet.

No definition available.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Cash

-URI http://asc.fasb.org/extlink&oid=6506951

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Glossary Cash Equivalents

-URI http://asc.fasb.org/extlink&oid=6507016

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section 45

-Paragraph 1

-Subparagraph (a)

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-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3044-108585

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Amount of outstanding long-term debt or borrowing associated with any securities or credit agreement for which there has been a default in principal, interest, sinking fund, or redemption provisions, or any breach of covenant that existed at the end of the period and subsequently has not been cured.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(c))

-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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-Name Regulation S-X (SX)

-Number 210

-Section 08

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-Article 4

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

No definition available.

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Data Type:	num:percentItemType
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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

No definition available.

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Data Type:	xbrli:stringItemType
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Face (par) amount of debt instrument at time of issuance.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

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-Topic 835

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-URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400

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Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Total obligations incurred as part of normal operations that are expected to be paid during the following twelve months or within one business cycle, if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.21)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 21

-Article 5

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Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period).

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 260

-SubTopic 10

-Section 45

-Paragraph 11

-URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1377-109256

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The cash outflow paid to third parties in connection with debt origination, which will be amortized over the remaining maturity period of the associated long-term debt.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 15

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3291-108585

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The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.

No definition available.

Name:	us-gaap_RepaymentsOfDebt
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
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Name:	tpcs_AgreementAxis=tpcs_SecondDebtForbearanceAndModificationAgreementMember
Namespace Prefix:
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Name:	us-gaap_DebtInstrumentAxis=tpcs_CreditLoanNoteMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=tpcs_FirstTermLoanNoteMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=tpcs_LoanAgreementWithBankMember
Namespace Prefix:
Data Type:	na
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Name:	us-gaap_DebtInstrumentAxis=tpcs_SecondTermLoanNoteMember
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