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Note 7 - Debt (Details) - Prior Pricing (USD $) |  | 12 Months Ended |
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Dec. 31, 2013 | Dec. 31, 2008 Base Rate [Member] Level I [Member] Prior Pricing [Member] | Dec. 31, 2008 Base Rate [Member] Level II [Member] Prior Pricing [Member] | Dec. 31, 2008 Base Rate [Member] Level III [Member] Prior Pricing [Member] | Dec. 31, 2008 Base Rate [Member] Level IV [Member] Prior Pricing [Member] | Dec. 31, 2008 Base Rate [Member] Level V [Member] Prior Pricing [Member] | Dec. 31, 2008 London Interbank Offered Rate (LIBOR) [Member] Level I [Member] Prior Pricing [Member] | Dec. 31, 2008 London Interbank Offered Rate (LIBOR) [Member] Level II [Member] Prior Pricing [Member] | Dec. 31, 2008 London Interbank Offered Rate (LIBOR) [Member] Level III [Member] Prior Pricing [Member] | Dec. 31, 2008 London Interbank Offered Rate (LIBOR) [Member] Level IV [Member] Prior Pricing [Member] | Dec. 31, 2008 London Interbank Offered Rate (LIBOR) [Member] Level V [Member] Prior Pricing [Member] | Dec. 31, 2008 Maximum [Member] Level II [Member] Prior Pricing [Member] | Dec. 31, 2008 Maximum [Member] Level III [Member] Prior Pricing [Member] | Dec. 31, 2008 Maximum [Member] Level IV [Member] Prior Pricing [Member] | Dec. 31, 2008 Maximum [Member] Level V [Member] Prior Pricing [Member] | Dec. 31, 2008 Minimum [Member] Level I [Member] Prior Pricing [Member] | Dec. 31, 2008 Minimum [Member] Level II [Member] Prior Pricing [Member] | Dec. 31, 2008 Minimum [Member] Level III [Member] Prior Pricing [Member] | Dec. 31, 2008 Minimum [Member] Level IV [Member] Prior Pricing [Member]
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Average Excess Availability (in Dollars) | $ 44,100,000 |  |  |  |  |  |  |  |  |  |  | $ 70,000,000 | $ 35,000,000 | $ 20,000,000 | $ 10,000,000 | $ 70,000,000 | $ 35,000,000 | $ 20,000,000 | $ 10,000,000
Base Rate Loans |  | 1.25% | 1.50% | 1.75% | 2.00% | 2.25% | 2.25% | 2.50% | 2.75% | 3.00% | 3.25% |  |  |  |  |  |  |  |

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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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- 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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