Accounts Payable and Accrued Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Accounts Payable and Accrued Liabilities [Abstract]
Accounts payable	$ 2,798	$ 2,297
Accrued expenses	5,021	3,125
Accrued bonuses	1,126	964
Other current liabilities	432	417
Total	$ 9,377	$ 6,803