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Note 12 - Notes Payable and Long-Term Debt (Details) (USD $)
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12 Months Ended | 12 Months Ended | |||||||
|---|---|---|---|---|---|---|---|---|---|
|
Dec. 31, 2013
|
Dec. 31, 2012
|
Dec. 31, 2013
London Interbank Offered Rate (LIBOR) [Member]
Loan Agreement [Member]
|
Dec. 31, 2013
Federal Funds Rate [Member]
Loan Agreement [Member]
|
Dec. 31, 2013
Approval Letter [Member]
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Jun. 20, 2011
Approval Letter [Member]
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Dec. 31, 2013
Loan Agreement [Member]
|
Dec. 31, 2012
Loan Agreement [Member]
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Mar. 21, 2012
Loan Agreement [Member]
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|
| Note 12 - Notes Payable and Long-Term Debt (Details) [Line Items] | |||||||||
| Line of Credit Facility, Maximum Borrowing Capacity | $ 10,000,000 | $ 60,000,000 | |||||||
| Line of Credit Facility, Amount Outstanding | 24,200,000 | 0 | 0 | ||||||
| Debt Instrument, Basis Spread on Variable Rate | 1.50% | 1.00% | |||||||
| Minimum Net Worth Required for Compliance | 150,000,000 | ||||||||
| Line of Credit, Percent of Net Income, Covenant Terms | 50.00% | ||||||||
| Line of Credit Facility, Percent of Net Proceeds From Equity Interest, Covenant Terms | 100.00% | ||||||||
| Line of Credit Facility, Percent, Increase in Stockholders' Equity, Covenant Terms | 100.00% | ||||||||
| Asset Coverage Ratio | 2.50 | ||||||||
| Letters of Credit Outstanding, Amount | $ 3,500,000 | $ 3,100,000 | |||||||