Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
OPERATING ACTIVITIES
Net loss	$ (1,269,636)	$ (1,781,172)
Adjustments to reconcile net loss to net cash used in operating activities:
Loss from discontinued operations		7,482
Change in allowances for bad debt	12,695	(1,175)
Depreciation and amortization	87,546	83,543
Loss on repurchase of Series A warrants		74,795
Stock-based compensation expense	1,071,890	1,197,194
Net cash used in discontinued operations		(52,531)
Changes in operating assets and liabilities:
Due from merchant credit card processors	15,615	1,862
Accounts receivable	16,364	(25,848)
Inventories	(123,861)	(154,293)
Prepaid expenses and vendor deposits	(7,746)	(52,764)
Other assets	2,763	(9,810)
Accounts payable	(50,062)	(70,125)
Accrued expenses	25,823	(232,678)
Contract liabilities	(2,446)	(154)
NET CASH USED IN OPERATING ACTIVITIES	(221,055)	(1,015,674)
INVESTING ACTIVITIES
Purchases of patent		(25,000)
Purchases of property and equipment	(2,600)
NET CASH USED IN INVESTING ACTIVITIES	(2,600)	(25,000)
FINANCING ACTIVITIES
Principal payments on loan payable	(517)
Payments for repurchase of Series A warrants		(2,382,467)
Principal payments of capital lease obligations		(16,994)
Proceeds from exercise of stock options		1,000
NET CASH USED IN FINANCING ACTIVITIES	(517)	(2,398,461)
DECREASE IN CASH	(224,172)	(3,439,135)
CASH AND CASH EQUIVALENTS - BEGINNING OF PERIOD	7,883,191	13,366,272
CASH AND CASH EQUIVALENTS - END OF PERIOD	7,659,019	9,927,137
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for interest	204	1,877
Issuance of common stock in connection with cashless exercise of Series A warrants		$ 250,308