Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
CASH FLOWS FROM OPERATING ACTIVITIES
Net Loss	$ (2,732,000)	$ (10,992,000)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation of property and equipment	3,002,000	2,877,000
Stock based employee compensation expense	378,000	293,000
Stock based directors compensation expense	244,000	305,000
Legal expenses paid by issuance of stock	126,000	200,000
Non-cash other income recognized	(282,000)
Non-cash interest expense	85,000
Loss on abandonment of lease	275,000
Amortization of right-of-use assets	470,000
Amortization of deferred gain on sale of real estate	(38,000)	(38,000)
Loss on sale of equipment	136,000
Amortization of debt discount on convertible notes payable	510,000	941,000
Amortization of capitalized engineering costs		668,000
Bad debt expense	311,000	49,000
Loss on impairment of goodwill - discontinued operations		109,000
Amortization of deferred financing costs		212,000
Change in useful life of capitalized engineering costs		2,043,000
Gain on sales of subsidiaries		340,000
Loss on Assets Held for Sale		386,000
(Increase) Decrease in Operating Assets:
Accounts receivable	(1,647,000)	(561,000)
Inventory	405,000	1,395,000
Prepaid expenses and other current assets	(33,000)	39,000
Prepaid taxes	49,000
Deposits and other assets	(713,000)	(1,112,000)
Increase (Decrease) in Operating Liabilities:
Accounts payable and accrued expense	(970,000)	(1,569,000)
Operating Lease Liabilities	(601,000)
Deferred rent		3,000
Deferred revenue	130,000	2,076,000
Income Taxes Payable	7,000
NET CASH USED IN OPERATING ACTIVITIES	(888,000)	(2,336,000)
CASH FLOWS FROM INVESTING ACTIVITIES
Capitalized engineering costs		(523,000)
Purchase of property and equipment	(764,000)	(1,264,000)
Proceeds from sale of subsidiary		5,472,000
NET CASH (USED IN) PROVIDED BY INVESTING ACTIVITIES	(764,000)	3,685,000
CASH FLOWS FROM FINANCING ACTIVITIES
Note payable - revolver, net - Sterling National Bank	12,543,000
Note payable - revolver, net - PNC	(14,043,000)	(2,415,000)
Proceeds from note payable - term loan - Sterling National Bank	3,800,000
Payments of note payable - term loans - PNC	(1,572,000)	(1,899,000)
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)
Payment of finance lease obligations	(1,764,000)	(1,286,000)
Share issuance costs	(113,000)
Proceeds from note payable - related party	1,500,000	2,803,000
Payments of notes payable - related parties	(28,000)
Payments of loan payable - financed assets	(186,000)
Proceeds from notes payable - third parties		70,000
Deferred financing costs		(125,000)
Proceeds from issuance of common stock		2,885,000
NET CASH PROVIDED BY FINANCING ACTIVITIES	934,000	33,000
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(718,000)	1,382,000
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	2,012,000	630,000
CASH AND CASH EQUIVALENTS AT END OF YEAR	1,294,000	2,012,000
Supplemental cash flow information
Cash paid during the period for interest	2,274,000	1,509,000
Cash paid during the period for income taxes	22,000	2,000
Supplemental schedule of non-cash investing and financing activities
Common Stock issued for notes payable - related party		330,000
Common Stock issued for notes payable - third parties	580,000	30,000
Common Stock issued in lieu of accrued interest	$ 58,000	$ 1,027,000