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	156,136	40,701	190,463	40,701
Other comprehensive loss	(62,960)	223,825	687,088	223,825
Comprehensive loss	(6,725,266)	(1,457,256)	(14,405,996)	(6,388,384)
Comprehensive loss attributable to noncontrolling interest	(1,039,039)		(2,725,059)
Comprehensive loss attributable to common stockholders	$ (5,686,227)	$ (1,457,256)	$ (11,680,937)	$ (6,388,384)