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Note 6 - Long-Term Debt (Details) (USD $) | 0 Months Ended | 1 Months Ended | 10 Months Ended | 12 Months Ended |  |  | 0 Months Ended |  | 1 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Mar. 05, 2013 | Oct. 30, 2012 | Oct. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2013 | Oct. 31, 2010 | Jun. 30, 2006 | Oct. 30, 2013 Credit Agreement [Member] Senior Secured Mortgage Loan [Member] | Oct. 30, 2013 MSD Credit [Member] | Mar. 05, 2013 Corporate Term Debt [Member] | Mar. 05, 2013 Senior Secured Mortgage Loan [Member] | Mar. 05, 2013 Convertible Bond [Member] | Mar. 31, 2013 Includes Legal Fees For Debt Refinancing [Member]
Note 6 - Long-Term Debt (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Debt Instrument, Face Amount |  |  |  |  |  |  | $ 36,400,000 |  |  |  |  |  |
Line of Credit Facility, Maximum Borrowing Capacity |  |  |  |  |  | 10,000,000 |  |  |  |  |  |  |
Proceeds from Lines of Credit | 17,500,000 | 5,000,000 | 5,000,000 |  |  |  |  |  |  |  |  |  |
Warrants and Rights Outstanding |  |  | 533,000 |  |  |  |  |  |  |  |  |  |
Long-term Debt |  |  |  | 98,870,000 | 98,870,000 |  |  |  |  | 66,000,000 |  |  |
Mortgage Loans on Real Estate |  |  |  |  |  |  |  |  |  |  | 30,000,000 |  |
Long Term Debt Term | 3 years |  |  |  |  |  |  |  |  |  |  |  |
Convertible Debt |  |  |  |  |  |  |  |  |  |  |  | 53,500,000 |
Convertible Debt Term | 5 years |  |  |  |  |  |  |  |  |  |  |  |
undefined | 17,500,000 |  |  | 10,000,000 | 10,000,000 |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage | 7.00% |  |  |  |  |  |  | 8.00% |  |  | 8.00% |  |
Debt Instrument, Convertible, Conversion Price (in Dollars per share) | $ 8.05 |  |  |  |  |  |  |  |  |  |  |  |
Gains (Losses) on Extinguishment of Debt |  |  |  |  | (1,055,000) |  |  |  |  |  |  |  | 1,060,000
Legal Fees |  |  |  | 1,200,000 |  |  |  |  |  |  |  |  |
Secured Debt |  |  |  |  |  |  |  | 10,000,000 |  |  |  |  |
Debt Instrument Covenant Term, Maximum Percentage of Sales Can be Retained |  |  |  |  |  |  |  | 50.00% |  |  |  |  |
Debt Instrument, Covenant Terms, First Sales Amount, Portion of Which Can Be Retained |  |  |  |  |  |  |  | 10,000,000 |  |  |  |  |
Stock Issued During Period, Shares, Issued for Services (in Shares) |  |  |  |  |  |  |  |  | 700,000 |  |  |  |
Stock Issued During Period, Value, Issued for Services |  |  |  |  |  |  |  |  | 2,400,000 |  |  |  |
Debt Issuance Cost |  |  |  |  |  |  |  | $ 110,000 |  |  |  |  |

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