Related Party Transactions (Details 4) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Related Party Transaction [Line Items]
Carrying value of non-controlling interest, Begining Balance			$ 39,327
Net and comprehensive loss for the period	$ (1,335)	$ 853	(1,495)	$ (961)
Carrying value of non-controlling interest, Ending Balance	38,430		38,430
Gauss LLC [Member] | Permanent Non-controlling Interest [Member]
Related Party Transaction [Line Items]
Carrying value of non-controlling interest, Begining Balance			39,327
Net and comprehensive loss for the period			(897)
Carrying value of non-controlling interest, Ending Balance	38,430		38,430
Gauss LLC [Member] | Temporary Non-controlling Interest [Member]
Related Party Transaction [Line Items]
Carrying value of non-controlling interest, Begining Balance			26,219
Net and comprehensive loss for the period			(598)
Carrying value of non-controlling interest, Ending Balance	$ 25,621		$ 25,621