Condensed Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash Flows from Operating Activities
Net loss	$ (5,916,787)	$ (6,356,404)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	222,128	179,772
Amortization of right-of-use assets	(37,806)
Inventory reserve	531	(14,711)
Stock-based compensation	102,459	225,263
Non-cash interest expense related to credit facility and other financing activities		18,214
Increase/(decrease) in cash resulting from changes in:
Accounts receivable, net	(303,536)	(136,275)
Inventory	9,407	22,434
Prepaid expenses and other current assets	155,713	(199,677)
Accounts payable	152,635	204,171
Accrued liabilities	367,744	508,543
Deferred rent		(27,444)
Net cash used in operating activities	(5,247,512)	(5,576,114)
Cash Flows from Investing Activities:
Purchases of fixed assets	(32,898)	(53,980)
Net cash used in investing activities	(32,898)	(53,980)
Cash Flows from Financing Activities:
Net proceeds from issuance of common stock and warrants	16,781,145	13,342,821
Proceeds from exercise of common stock warrants	4,748	0
Payments on finance leases	(166,658)	(38,726)
Payments on supplier and other third-party financings		(40,094)
Payments on credit facility		(508,098)
Net cash provided by financing activities	16,619,235	12,755,903
Net increase in Cash	11,338,825	7,125,809
Cash at Beginning of Period	3,423,373	2,146,611
Cash at End of Period	14,762,198	9,272,420
Cash paid during the period for:
Interest	$ 61,974	$ 63,860