CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
CASH FLOWS FROM OPERATING ACTIVITIES
Net loss	$ (56,848,802)	$ (39,506,375)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation of fixed assets	198,839	66,494
Amortization of intangible assets	63,155	40,444
Non-cash operating lease expense	351,987	219,765
(Recovery of) provision for doubtful accounts	(122,621)	82,284
Share-based compensation	2,366,453	2,586,948
Amortization of deferred financing fees	319,408	120,146
Amortization of license fee	745,511
Changes in operating assets and liabilities:
Accounts receivable	3,854,569	(3,963,214)
Inventory	(2,746,737)	(1,688,045)
Other current assets	4,436,047	987,794
Accounts payable	9,533,115	2,621,402
Accrued expenses and other current liabilities	(1,261,904)	268,939
Net cash used in operating activities	(39,110,980)	(38,163,418)
CASH FLOWS FROM INVESTING ACTIVITIES
Patent costs	(421,775)	(403,496)
Purchase of fixed assets	(21,254)	(262,418)
Net cash used in investing activities	(443,029)	(665,914)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from exercise of options and warrants	72,109	100,107
Proceeds from Financing Agreement	50,000,000
Payment of deferred financing fees	(1,250,000)
Net cash provided by financing activities	48,822,109	100,107
Increase (decrease) in cash	9,268,100	(38,729,225)
Cash, beginning of period	160,829,713	161,613,077
Cash, end of period	170,097,813	122,883,852
Supplemental disclosure of cash flow information
Interest paid	$ 5,892,639	$ 1,913,956