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Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (3,299,551)	$ (3,110,155)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	183,077	311,871
Stock-based compensation expense	168,160	282,330
Provision for doubtful accounts	5,925	(55,604)
Deferred rent	(5,601)	(34,122)
Changes in assets and liabilities:
Decrease (increase) in accounts receivable	11,999	(167,832)
Decrease (increase) in inventory	1,493	(11,044)
(Increase) in other current assets	(186,901)	(146,193)
Decrease in other assets	57,439	1,358
Increase in accounts payable	33,441	84,293
Increase in accrued expenses	15,387	145,038
(Decrease) in deferred revenue	(33,760)	(195,524)
(Decrease) in other long-term liabilities	(158,407)
Net cash used in operating activities	(3,207,299)	(2,895,584)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(132,042)	(15,678)
Collection of note receivable	30,203	32,191
Net cash (used in) provided by investing activities	(101,839)	16,513
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common stock		8,577,861
Net proceeds from issuance of common stock from exercise of stock options	687,521	10,100
Net proceeds from issuance of common stock from exercise of warrants		139,700
Net cash provided by financing activities	687,521	8,727,661
Net (decrease) increase in cash	(2,621,617)	5,848,590
CASH, beginning of period	8,010,161	3,092,172
CASH, end of period	$ 5,388,544	$ 8,940,762

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