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Note 6 - Long-term Debt (Details) (USD $) |  | 1 Months Ended | 14 Months Ended |  |  | 1 Months Ended | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 31, 2014 | Apr. 30, 2014 Subsequent Event [Member] London Interbank Offered Rate (LIBOR) [Member] Term Loan [Member] | Apr. 30, 2014 Subsequent Event [Member] Term Loan [Member] | May 30, 2014 Subsequent Event [Member] | Apr. 30, 2014 Subsequent Event [Member] | Mar. 31, 2014 Debt Instrument Variable Rate Base CBFR Using One Month LIBOR [Member] Line of Credit [Member] | Feb. 29, 2012 Line of Credit [Member] | Mar. 31, 2014 Line of Credit [Member] | Mar. 31, 2014 Revolving Credit Facility [Member] | Mar. 31, 2014 Letter of Credit [Member] | Mar. 31, 2014 Minimum [Member] London Interbank Offered Rate (LIBOR) [Member] Line of Credit [Member] | Mar. 31, 2014 Minimum [Member] Debt Instrument Variable Rate Base CBFR Using One Month LIBOR [Member] Line of Credit [Member] | Mar. 31, 2014 Minimum [Member] Line of Credit [Member] | Mar. 31, 2014 Maximum [Member] London Interbank Offered Rate (LIBOR) [Member] Line of Credit [Member] | Mar. 31, 2014 Maximum [Member] Debt Instrument Variable Rate Base CBFR Using One Month LIBOR [Member] Line of Credit [Member] | Mar. 31, 2014 Maximum [Member] Line of Credit [Member]
Note 6 - Long-term Debt (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Term |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars) |  |  |  |  |  |  |  |  | $ 20,000,000 | $ 1,000,000 |  |  |  |  |  |
Long-term Debt, Gross (in Dollars) |  |  | 15,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Amount Outstanding (in Dollars) | 16,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Basis Spread on Variable Rate |  | 2.00% |  |  |  |  |  |  |  |  | 1.25% | 0.50% |  | 2.00% | 1.25% |
Debt Instrument Basis Spread on Variable Rate Used to Calculate Commercial Bank Floating Rate |  |  |  |  |  | 2.50% |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage |  |  |  |  |  |  |  |  |  |  |  |  | 0.15% |  |  | 0.30%
Line of Credit Facility Unused Capacity Fee Ratio of Funded Debt to EBITDA Low End of Range |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Line of Credit Facility, Unused Capacity Fee Ratio of Funded Debt to EBITDA High End of Range |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |
Line of Credit Facility, Periodic Payment, Number of Quarterly Payments |  |  |  |  | 11 |  |  |  |  |  |  |  |  |  |  |
Line of Credit Facility, Periodic Payment, Principal (in Dollars) |  |  | 750,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument Covenant Ratio of Funded Debt to Consolidated EBIDTA |  |  |  |  |  |  |  | 2.5 |  |  |  |  |  |  |  |
Debt Instrument Covenant Fixed Charge Coverage Ratio |  |  |  |  |  |  |  |  |  |  |  |  | 1.35 |  |  |
Repayments of Lines of Credit (in Dollars) |  |  |  | $ 4,500,000 |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The percentage points added to the reference rate used to calculate commercial bank floating rate (CBFR). + References No definition available. + Details
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- Definition Represents the fixed charge coverage ratio required to be maintained by the entity under the terms of debt arrangement. + References No definition available. + Details
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- Definition Represents the ratio of funded debt to EBITDA, required to be maintained under the terms of debt arrangements. + References No definition available. + Details
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- Definition Represents the high end of the defined tiers of ratio of funded debt to EBITDA used to determine applicable interest rate adjustments and unused capacity fees. + References No definition available. + Details
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- Definition Represents the low end of the defined tiers of ratio of funded debt to EBITDA used to determine applicable interest rate adjustments and unused capacity fees. + 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 Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + 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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- 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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