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Note 6 - Long-term Debt (Tables) | 12 Months Ended
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Dec. 31, 2015
Notes Tables |
Schedule of Debt [Table Text Block] |
|  | December 31, |
|  | 2015 |  |  | 2014 |
Senior secured debt due March 5, 2016 (1) Interest accrues at 8% per annum |  | $ | 39,910 |  |  | $ | 34,735 |
Senior secured debt due June 30, 2017 (1) Interest accrues at 8% per annum |  |  | 11,905 |  |  |  | 10,986 |
Convertible note instrument due March 5, 2018 Interest accrues at 7% per annum |  |  | 4,018 |  |  |  | 60,455 |
Convertible note instrument due March 5, 2020 Interest accrues at 7% per annum |  |  | 59,804 |  |  |  |  |
Other loans |  |  | 193 |  |  |  | 28 |
Debt discount, net of accumulated accretion |  |  | (7,564 | ) |  |  | (1,809 | )
|  |  | 108,266 |  |  |  | 104,395 |
Less current portion |  |  | 48 |  |  |  | 11 |
|  | $ | 108,218 |  |  | $ | 104,384 |
Schedule of Maturities of Long-term Debt [Table Text Block] |
Year Ending December 31 |  | ($ in thousands) |
2016 |  | $ | 39,959 |
2017 |  |  | 11,950 |
2018 |  |  | 4,059 |
2019 |  |  | 43 |
2020 |  |  | 59,819 |
|  | $ | 115,830 |

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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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