Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net Loss	$ (1,471,000)	$ (4,413,000)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities
Depreciation of property and equipment	2,085,000	2,165,000
Non-cash employee stock compensation expense	351,000	308,000
Non-cash directors compensation	95,000
Non-cash other income recognized	(198,000)
Non-cash interest expense	60,000
Loss on abandonment of lease	275,000
Amortization of Right-of-Use-Asset	352,000
Deferred gain on sale of real estate	(29,000)	(29,000)
Loss on sale of equipment	42,000
Amortization of debt discount on convertible notes payable	370,000	740,000
Amortization of capitalized engineering costs		493,000
Bad debt expense	46,000	190,000
Gain on assets held for sale		930,000
Amortization of deferred financing costs		158,000
Changes in Assets and Liabilities
Accounts receivable	49,000	(1,167,000)
Inventory	(1,301,000)	(836,000)
Prepaid expenses and other current assets	(154,000)	89,000
Prepaid taxes	43,000
Deposits and other assets	(261,000)	(1,275,000)
Increase (Decrease) in Operating Liabilities:
Accounts payable and accrued expenses	343,000	(1,736,000)
Operating lease liabilities	(441,000)
Deferred rent		4,000
Deferred revenue	14,000	1,513,000
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	270,000	(2,866,000)
CASH FLOWS FROM INVESTING ACTIVITIES
Capitalized engineering costs		(400,000)
Purchase of property and equipment	(397,000)	(629,000)
NET CASH USED IN INVESTING ACTIVITIES	(397,000)	(1,029,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Note payable - revolver - net	(597,000)	3,615,000
Payments of note payable - term notes	(1,108,000)	(1,108,000)
Proceeds from sale of future proceeds from disposition of subsidiary	800,000
Transaction costs from sale of future proceeds from disposition of subsidiary	(3,000)
Proceeds from issuance of common stock		1,885,000
Payments of finance lease obligations	(899,000)	(958,000)
Share issuance costs	(113,000)
Proceeds from notes payable issuances- related party	500,000	803,000
Payments of notes payable issuances - related party	(16,000)
Payments of loan payable - financed assets	(116,000)
Deferred financing costs		(125,000)
Proceeds from notes payable issuances - third party		70,000
NET CASH (USED IN) PROVIDED BY FINANCING ACTIVITIES	(1,552,000)	4,182,000
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(1,679,000)	287,000
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	2,012,000	630,000
CASH AND CASH EQUIVALENTS AT END OF PERIOD	333,000	917,000
Supplemental cash flow information
Cash paid during the period for interest	1,260,000	1,053,000
Supplemental disclosure of non-cash transactions
Right of Use Asset additions under ASC 842	4,368,000
Operating Lease Liabilities under ASC 842	5,397,000
Write-off deferred rent under ASC 842	1,165,000
Supplemental schedule of non-cash investing and financing activities
Common Stock issued in lieu of cash for services	187,000
Common Stock issued for notes payable - related party		330,000
Common Stock issued for notes payable		30,000
Issuance of notes payable - related party		$ 34,000