10. Related Party Transactions	3 Months Ended
Mar. 31, 2017
Related Party Transactions [Abstract]
Related Party Transactions	*MeOH Power, Inc.* The Company records its investment in MeOH Power, Inc. using the equity method of accounting. The fair value of the Company’s interest in MeOH Power, Inc. has been determined to be $0 as of March 31, 2017 and December 31, 2016, based on MeOH Power, Inc.’s net position and expected cash flows. As of March 31, 2017, the Company retained its ownership of approximately 47.5% of MeOH Power, Inc.’s outstanding common stock, or 75,049,937 shares. The number of shares of MeOH Power, Inc.’s common stock authorized for issuance is 240,000,000 as of March 31, 2017. The Company previously held warrants to purchase 31,904,136 shares of common stock of MeOH Power, Inc., which expired in December 2016. On December 18, 2013, MeOH Power, Inc. and the Company executed a Senior Demand Promissory Note (the Note) in the amount of $380 thousand to secure the intercompany amounts due to the Company from MeOH Power, Inc. upon the deconsolidation of MeOH Power, Inc. Interest accrues on the Note at the Prime Rate in effect on the first business day of the month, as published in the Wall Street Journal. At the Company’s option, all or part of the principal and interest due on this Note may be converted to shares of common stock of MeOH Power, Inc. at a rate of $0.07 per share. Interest began accruing on January 1, 2014. The Company recorded a full allowance against the Note. As of March 31, 2017 and December 31, 2016, $277 thousand and $275 thousand, respectively, of principal and interest are available to convert into shares of common stock of MeOH Power, Inc. Any adjustments to the allowance are recorded as miscellaneous expense during the period incurred. *Legal Services* During the three months ended March 31, 2017, the Company incurred $4 thousand to Couch White, LLP for legal services associated with contract review. No such legal fees were incurred during the three months ended March 31, 2016. A partner at Couch White, LLP is an immediate family member of one of our Board of Directors.

10. Related Party Transactions

3 Months Ended

Mar. 31, 2017

MeOH Power, Inc.

The Company records its investment in MeOH Power, Inc. using the equity method of accounting. The fair value of the Company’s interest in MeOH Power, Inc. has been determined to be $0 as of March 31, 2017 and December 31, 2016, based on MeOH Power, Inc.’s net position and expected cash flows. As of March 31, 2017, the Company retained its ownership of approximately 47.5% of MeOH Power, Inc.’s outstanding common stock, or 75,049,937 shares. The number of shares of MeOH Power, Inc.’s common stock authorized for issuance is 240,000,000 as of March 31, 2017. The Company previously held warrants to purchase 31,904,136 shares of common stock of MeOH Power, Inc., which expired in December 2016.

On December 18, 2013, MeOH Power, Inc. and the Company executed a Senior Demand Promissory Note (the Note) in the amount of $380 thousand to secure the intercompany amounts due to the Company from MeOH Power, Inc. upon the deconsolidation of MeOH Power, Inc. Interest accrues on the Note at the Prime Rate in effect on the first business day of the month, as published in the Wall Street Journal. At the Company’s option, all or part of the principal and interest due on this Note may be converted to shares of common stock of MeOH Power, Inc. at a rate of $0.07 per share. Interest began accruing on January 1, 2014. The Company recorded a full allowance against the Note. As of March 31, 2017 and December 31, 2016, $277 thousand and $275 thousand, respectively, of principal and interest are available to convert into shares of common stock of MeOH Power, Inc. Any adjustments to the allowance are recorded as miscellaneous expense during the period incurred.

Legal Services

During the three months ended March 31, 2017, the Company incurred $4 thousand to Couch White, LLP for legal services associated with contract review. No such legal fees were incurred during the three months ended March 31, 2016. A partner at Couch White, LLP is an immediate family member of one of our Board of Directors.