Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Payables and Accruals [Abstract]
Carriers and vendors payable	$ 14,726	$ 11,385
Commissions payable	8,811	5,710
Accrued wages	7,116	4,206
Accrued refunds	1,940	3,238
Accounts payable	3,725	928
Accrued professional fees	820	910
Accrued credit card/ACH fees	483	430
Accrued restructuring	0	3
Other accrued expenses	2,104	2,870
Total accounts payable and accrued expenses	$ 39,725	$ 29,680