Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (2,548,711)	$ (3,963,576)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	249,895	245,548
Stock-based compensation expense	584,865	186,707
Change in provision for doubtful accounts	17,380	5,925
Deferred rent		(5,202)
Changes in assets and liabilities:
(Increase) in accounts receivable	(672,840)	(372,732)
Decrease in inventory	61,607	2,984
(Increase) in other current assets	(89,924)	(50,931)
Decrease in other assets	1,964	57,439
Increase (decrease) in accounts payable and accrued expenses	703,223	(74,672)
(Decrease) in deferred revenue	(148,309)	(93,694)
(Decrease) in other long-term liabilities		(158,407)
Net cash used in operating activities	(1,840,850)	(4,220,611)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(20,088)	(141,526)
Collection on note receivable	42,120	40,472
Net cash provided by (used in) investing activities	22,032	(101,054)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from issuance of common stock from exercise of stock options	89,500	687,521
Net proceeds from issuance of common stock from exercise of warrants	704,154
Net cash provided by financing activities	793,654	687,521
Net decrease in cash	(1,025,164)	(3,634,144)
CASH, beginning of year	4,376,017	8,010,161
CASH, end of year	$ 3,350,853	$ 4,376,017