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Accrued Liabilities
6 Months Ended
Jun. 30, 2017
Payables and Accruals [Abstract]  
Accrued Liabilities

6. Accrued Liabilities

As of June 30, 2017, and December 31, 2016, respectively, the Company had accrued liabilities of $732 thousand and $363 thousand, which consist of capital expenditures and miscellaneous operating expenses.