Accrued Liabilities

3 Months Ended

Mar. 31, 2018

Payables and Accruals [Abstract]

Accrued Liabilities

6. Accrued Liabilities

As of March 31, 2018, and December 31, 2017, the Company had accrued liabilities of $1,256 thousand and $893 thousand, respectively, which consist of unrecognized income related to construction tax incentives and miscellaneous operating expenses.