8. Related Party Transactions	6 Months Ended
Jun. 30, 2017
Related Party Transactions [Abstract]
8. Related Party Transactions	The Company owes Eric McAfee, the Company’s Chairman and CEO, and McAfee Capital, owned by Eric McAfee, $0.4 million in connection with employment agreements and expense reimbursements previously accrued as salaries expense and accrued liabilities. The balance accrued related to these employment agreements was $0.4 million as of June 30, 2017 and December 31, 2016. For the three months ended June 30, 2017 and 2016, the Company expensed $6 thousand and $19 thousand, respectively, to reimburse actual expenses incurred by McAfee Capital and related entities. For the six months ended June 30, 2017 and 2016, the Company expensed $23 thousand and $42 thousand, respectively, to reimburse actual expenses incurred by McAfee Capital and related entities. The Company previously prepaid $0.2 million to Redwood Capital, a company controlled by Eric McAfee, for the Company’s use of flight time on a corporate jet. As of June 30, 2017, $0.1 million remained as a prepaid expense. As consideration for the reaffirmation of guaranties required by Amendment No. 12 to the Note Purchase Agreement which the Company entered into with Third Eye Capital on March 21, 2016, the Company also agreed to pay $0.2 million in consideration to McAfee Capital in exchange for their willingness to provide the guarantees. The balance of $0.2 million for guarantee fee remained as accrued liability as of June 30, 2017 and December 31, 2016.

8. Related Party Transactions

6 Months Ended

Jun. 30, 2017

The Company owes Eric McAfee, the Company’s Chairman and CEO, and McAfee Capital, owned by Eric McAfee, $0.4 million in connection with employment agreements and expense reimbursements previously accrued as salaries expense and accrued liabilities. The balance accrued related to these employment agreements was $0.4 million as of June 30, 2017 and December 31, 2016. For the three months ended June 30, 2017 and 2016, the Company expensed $6 thousand and $19 thousand, respectively, to reimburse actual expenses incurred by McAfee Capital and related entities. For the six months ended June 30, 2017 and 2016, the Company expensed $23 thousand and $42 thousand, respectively, to reimburse actual expenses incurred by McAfee Capital and related entities. The Company previously prepaid $0.2 million to Redwood Capital, a company controlled by Eric McAfee, for the Company’s use of flight time on a corporate jet. As of June 30, 2017, $0.1 million remained as a prepaid expense. As consideration for the reaffirmation of guaranties required by Amendment No. 12 to the Note Purchase Agreement which the Company entered into with Third Eye Capital on March 21, 2016, the Company also agreed to pay $0.2 million in consideration to McAfee Capital in exchange for their willingness to provide the guarantees. The balance of $0.2 million for guarantee fee remained as accrued liability as of June 30, 2017 and December 31, 2016.