Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Accrued Expenses and Other Current Liabilities
Professional fees	$ 443	$ 292
Consulting fees/provider fees	1,439	1,687
Legal fees	676	897
Interest payable	218	389
Marketing	843	142
Earnout and compensation	1,096	1,045
Deferred revenue	1,615	1,002
Other	2,617	2,527
Total	$ 8,947	$ 7,981