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Notes Payable (Tables) | 12 Months Ended
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Dec. 31, 2017
Debt Disclosure [Abstract] |
Schedule of Debt [Table Text Block] | The following table summarizes NSC Note activities for the year ended December 31, 2016 ($ in thousands).
|  | NSC Note Payable |  | Discount |  | NSC Note Payable, Net |
January 1, 2016 balance |  | $ | - |  | $ | - |  | $ | - |
Proceeds from issuance of NSC Note |  |  | 3,600 |  |  | (129) |  |  | 3,471 |
Issuance of warrants in conjunction with NSC debt |  |  | - |  |  | (634) |  |  | (634) |
Amortization of debt discount |  |  | - |  |  | 192 |  |  | 192 |
Payoff of note |  |  | (3,600) |  |  | 571 |  |  | (3,029) |
December 31, 2016 balance |  | $ | - |  | $ | - |  | $ | - |

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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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