CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (14,747,831)	$ (9,036,495)	$ (32,569,973)	$ (15,573,458)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	845,899	277,132	1,675,439	395,194
Loss on disposal of fixed assets			2,459	4,155
Stock-based compensation	535,391	311,363	1,050,175	547,240
Amortization of debt discount			525,135	374,389
Amortization of license revenue			(71,417)	(71,417)
Changes in operating assets and liabilities, net of acquisition:
Accounts receivable			82,960	(1,274,246)
Inventories			381,213	66,766
Prepaid expenses and other current assets			(380,626)	(1,298,991)
Other assets			(23,365)	(475,291)
Accounts payable			(2,819,792)	1,763,025
Accrued expenses			554,885	1,384,140
Other current and non-current liabilities			250,754	(15,280)
Net cash used in operating activities			(31,342,153)	(14,173,774)
CASH FLOWS FROM INVESTING ACTIVITIES:
Sales of short-term investments			0	5,390,184
Purchase of property and equipment			(1,046,375)	(96,557)
Cash acquired in acquisition transaction			0	12,500,000
Net cash provided by (used in) investing activities			(1,046,375)	17,793,627
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on note payable			0	(2,777,778)
Proceeds from issuance of common stock, net of offering expenses			42,946,111	0
Proceeds from issuance of related party note payable			0	15,000,000	$ 15,000,000
Payment of debt issuance costs			0	(174,839)
Payments on capital lease obligations			(2,329)	0
Payments of leasehold improvement loan			(8,853)	(8,094)
Net cash provided by financing activities			42,934,929	12,039,289
Net increase in cash and cash equivalents			10,546,401	15,659,142
Cash and cash equivalents, including restricted cash - beginning of period			48,607,574	9,914,867	9,914,867
Cash and cash equivalents, including restricted cash - end of period	$ 59,153,975	$ 25,574,009	$ 59,153,975	$ 25,574,009	$ 48,607,574