Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (133,000)	$ (1,275,000)	$ (133,000)	$ (1,275,000)
Adjustments to reconcile net loss to net cash (used in) provided by operating activities:
Depreciation and amortization	491,000	475,000	491,000	475,000
Amortization of debt issue costs and other assets			17,000	19,000
Amortization of operating leases right-of-use assets			71,000
Share based compensation expense			341,000	34,000
Net (increase) decrease in assets:
Accounts receivable			188,000	(140,000)
Inventories			(296,000)	(453,000)
Prepaid expenses and other assets			40,000	(3,000)
Net increase (decrease) in liabilities:
Accounts payable			(1,180,000)	208,000
Accrued expenses			120,000	108,000
Customer deposits			(461,000)	167,000
Operating lease obligations			(71,000)
Deferred rent and other liabilities				(5,000)
Net cash used in operating activities			(873,000)	(865,000)
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in equipment and leasehold improvements			(48,000)	(173,000)
Net cash used in investing activities			(48,000)	(173,000)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on short term contract obligation			(184,000)
Net draws on line of credit				750,000
Proceeds from long-term debt - related party			1,500,000
Principal payments on long-term debt			(148,000)	(141,000)
Payments on finance leases			(19,000)	(16,000)
Shares withheld for tax payments			(17,000)	(32,000)
Proceeds from exercise of stock options			4,000	18,000
Net cash provided by financing activities			1,136,000	579,000
Net increase (decrease) in cash			215,000	(459,000)
Cash and restricted cash at beginning of period		1,394,000	840,000	1,394,000
Cash and restricted cash at end of period	1,055,000	935,000	1,055,000	935,000
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION:
Interest			166,000	103,000
Income taxes
Cash		1,329,000
Restricted cash	0	65,000
Cash and restricted cash at beginning of period		$ 1,394,000	$ 840,000	$ 1,394,000