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Note 6 - Long-term Debt (Tables) | 12 Months Ended
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Dec. 31, 2014
Debt Disclosure [Abstract] |
Schedule of Debt [Table Text Block] |
|  | December 31, |
|  | 201 4 |  |  | 201 3 |
Senior secured debt due March 5, 2016 |  |  |  |  |  |  |  |
Interest accrues at 8% per annum |  | $ | 34,735 |  |  | $ | 32,055 |
Senior secured debt due June 30, 2017 |  |  |  |  |  |  |  |
Interest accrues at 8% per annum |  |  | 10,986 |  |  |  | 10,138 |
Convertible note instrument due March 5, 2018 |  |  |  |  |  |  |  |
Interest accrues at 7% per annum |  |  | 60,455 |  |  |  | 56,638 |
Other loans |  |  | 28 |  |  |  | 39 |
Debt discount, net of accumulated accretion |  |  | (1,809 | ) |  |  | (2,442 | )
|  |  | 104,395 |  |  |  | 96,428 |
Less current portion |  |  | 11 |  |  |  | 11 |
|  | $ | 104,384 |  |  | $ | 96,417 |
Schedule of Maturities of Long-term Debt [Table Text Block] |
Year Ending December 31 |  | ($ in thousands) |
2015 |  | $ | 11 |
2016 |  |  | 34,746 |
2017 |  |  | 10,992 |
2018 |  |  | 60,455 |
2019 |  |  | - |
|  | $ | 106,204 |

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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