Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Accrued Expenses and Other Current Liabilities
Professional fees	$ 885	$ 292
Consulting fees/provider fees	1,300	1,687
Legal fees	2,050	897
Interest payable	284	389
Marketing	87	142
Earnout and compensation		1,045
Deferred revenue	2,411	1,002
Other	2,667	2,527
Total	$ 9,684	$ 7,981