| Schedule of notes payable |
Notes payable outstanding were as follows: | | | | | | | | | | June 30, 2017 | | December 31, 2016 | | | | | 10% second lien notes due 2019: | | | | Carrying value, including paid-in-kind interest of $8,088 and $3,619 and unamortized premium of $322 and $394 as of June 30, 2017 and December 31, 2016, respectively | $ | 84,932 |
| | $ | 80,536 |
| Debt discount, net of accumulated amortization of $102 and $47 as of June 30, 2017 and December 31, 2016, respectively | (243 | ) | | (298 | ) | Total second lien notes outstanding | 84,689 |
| | 80,238 |
| 10% senior secured notes due 2019: | | | | Principal outstanding | 1,872 |
| | 1,872 |
| Unamortized deferred loan issuance costs, net of accumulated amortization of $52 and $43 as of June 30, 2017 and December 31, 2016, respectively | (33 | ) | | (42 | ) | Total senior secured notes outstanding | 1,839 |
| | 1,830 |
| Total notes payable outstanding (long-term) | $ | 86,528 |
| | $ | 82,068 |
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