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Note 3 - Financing Arrangements (Details) (USD $) | 3 Months Ended
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Jun. 30, 2013 | Jul. 11, 2013 | Jul. 01, 2012
Note 3 - Financing Arrangements (Details) [Line Items] |  |  |
Interest Rate on Payment from Credit Facility | 2.25% |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage | 0.25% | 0.125% |
Line of Credit Facility, Commitment Fee Amount | $ 16,000 |  | $ 16,000
Line of Credit Facility, Amount Outstanding | 0 |  |
Letters of Credit Outstanding, Amount | 0 |  |
Line of Credit Facility, Remaining Borrowing Capacity | 20,700,000 |  |
Line of Credit [Member] |  |  |
Note 3 - Financing Arrangements (Details) [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 26,000,000 |  |
Letter of Credit [Member] |  |  |
Note 3 - Financing Arrangements (Details) [Line Items] |  |  |
Line of Credit Facility, Maximum Borrowing Capacity | 1,500,000 |  |
Factoring Fees [Member] |  |  |
Note 3 - Financing Arrangements (Details) [Line Items] |  |  |
Selling, General and Administrative Expense | $ 85,000 |  | $ 95,000
Prime Rate [Member] |  |  |
Note 3 - Financing Arrangements (Details) [Line Items] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 1.00% |  |
London Interbank Offered Rate (LIBOR) [Member] |  |  |
Note 3 - Financing Arrangements (Details) [Line Items] |  |  |
Debt Instrument, Basis Spread on Variable Rate | 3.00% | 2.00% |

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- Definition Interest rate on payment from credit facility under financing agreement. + References No definition available. + Details
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- Details
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- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Amount borrowed under the credit facility as of the balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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Balance Type: | credit
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- Definition Amount of the fee for available but unused credit capacity under the credit facility. + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). + References 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 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 22 -Article 5 + Details
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- Definition The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility. + References No definition available. + Details
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 4 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6386349&loc=d3e3636-108311 + Details
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