Consolidated Statements of Comprehensive Loss (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Consolidated Statements of Comprehensive Loss
Net loss	$ (6,662,306)	$ (1,681,081)	$ (15,030,124)	$ (6,612,209)
Other comprehensive income, net of tax:
Unrealized gain on marketable securities	(219,096)	183,124	433,665	183,124
Foreign currency translation adjustment	177,573	40,701	211,900	40,701
Other comprehensive loss	(41,523)	223,825	645,565	223,825
Comprehensive loss	(6,703,829)	(1,457,256)	(14,384,559)	(6,388,384)
Comprehensive loss attributable to noncontrolling interest	1,039,039		2,725,059
Comprehensive loss attributable to common stockholders	$ (5,664,790)	$ (1,457,256)	$ (11,659,500)	$ (6,388,384)