Software Development Costs, net (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Sep. 24, 2016
Software Development Costs [Line Items]
Capitalized Computer Software, Net	$ 38,354		$ 36,960
Capitalized Computer Software, Amortization	$ 1,749	$ 2,029
Finite-Lived Intangible Assets, Remaining Amortization Period	3 years 2 months 12 days		3 years 2 months 12 days
Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months	$ 7,439
Finite-Lived Intangible Assets, Amortization Expense, Year Three	8,935
Finite-Lived Intangible Assets, Amortization Expense, Year Four	6,750
Finite-Lived Intangible Assets, Amortization Expense, Year Five	3,923
Finite-Lived Intangible Assets, Amortization Expense, Year Two	11,307
Internet Domain Names [Member]
Software Development Costs [Line Items]
Capitalized Computer Software, Net	2,384		$ 1,797
Software Development [Member]
Software Development Costs [Line Items]
Capitalized Computer Software, Net	$ 4,971