Accounts Payable and Accrued Expenses (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Accounts Payable and Accrued Liabilities, Current [Abstract]
Trade accounts payable	$ 5,800	$ 11,879
Accrued professional fees	777	1,258
Income taxes payable	9,266	22,627
Due to prior owners of PB Systems (acquired in June 2015) re: working capital settlements	2,233	0
Share repurchases accrued	820	0
Sales taxes payable	3,435	2,601
Interest payable pertaining to IRS settlement	0	1,650
Other accrued liabilities	712	106
Accounts payable and accrued liabilities	$ 23,043	$ 40,121