Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Accounts Payable and Accrued Expenses [Abstract]
Accounts payable	$ 1,965	$ 979
Accrued processing and disbursement costs	2,913	2,793
Accrued marketing expense	2,402	3,421
Acquisition holdback liability	1,500	1,500
Accrued professional services	3,144	1,294
Disbursement payable	1,391	291
Accrued payroll and employee benefits	1,824	1,307
Other accrued expenses	2,299	2,948
Accounts payable and accrued expenses	$ 17,438	$ 14,533