CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (89,875,459)	$ (85,077,024)	$ (54,217,210)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	77,906	29,959	28,987
Amortization of intangible assets	54,545	32,441	23,480
Provision for (recovery of) doubtful accounts	2,524,909	22,157	(5,436)
Share-based compensation	17,411,021	7,189,699	4,970,312
Amortization of deferred financing costs			260,027
Changes in operating assets and liabilities:
Accounts receivable	(3,975,893)	(917,656)	(458,028)
Inventory	(386,168)	491,960	(138,495)
Other current assets	709,907	(773,532)	680,281
Other assets		(17,442)	(37,309)
Accounts payable	4,232,340	(3,200,955)	4,212,912
Deferred revenue		(522,613)	(1,079,967)
Other current liabilities	84,559	3,698,887	239,450
Net cash used in operating activities	(69,142,333)	(79,044,119)	(45,520,996)
CASH FLOWS FROM INVESTING ACTIVITIES
Patent costs	(845,266)	(419,104)	(586,480)
Purchase of fixed assets	(396,154)	(165,257)	(30,962)
(Payment) refund of security deposit	(14,036)		10,686
Net cash used in investing activities	(1,255,456)	(584,361)	(606,756)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from sale of common stock, net of costs	134,863,475	91,374,649	42,771,353
Proceeds from exercise of options	989,060	1,232,579	345,746
Proceeds from exercise of warrants	1,373,000	366,000	181,000
Net cash provided by financing activities	137,225,535	92,973,228	43,298,099
Increase (decrease) in cash	66,827,746	13,344,748	(2,829,653)
Cash, beginning of period	64,706,355	51,361,607	54,191,260
Cash, end of period	$ 131,534,101	$ 64,706,355	$ 51,361,607