Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
CASH FLOWS FROM OPERATING ACTIVITIES
Net Loss	$ (1,154,000)	$ (1,430,000)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities
Depreciation of property and equipment	728,000	904,000
Amortization of intangible assets	304,000	320,000
Amortization of capitalized engineering costs	81,000	105,000
Bad debt recoveries	(14,000)	0
Non-cash compensation expense/(forfeiture of unamortized stock compensation)	(73,000)	27,000
Amortization of deferred financing costs	55,000	170,000
Deferred gain on sale of real estate	(10,000)	(10,000)
Gain on sale of subsidiary	(451,000)	0
Deferred Income Taxes	0	(691,000)
Amortization of convertible notes payable	176,000	0
Changes in Assets and Liabilities (Increase) Decrease in Operating Assets:
Accounts Receivable	578,000	3,850,000
Inventory	1,719,000	(3,826,000)
Prepaid Expenses and Other Current Assets	(102,000)	139,000
Prepaid taxes	178,000	0
Deposits and other assets	(276,000)	35,000
Increase (Decrease) in Operating Liabilities:
Accounts payable and accrued expenses	(621,000)	941,000
Deferred rent	6,000	3,000
Deferred revenue	(224,000)	352,000
Income taxes payable	0	11,000
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	900,000	900,000
CASH FLOWS FROM INVESTING ACTIVITIES
Capitalized engineering costs	(245,000)	(212,000)
Purchase of property and equipment	(89,000)	(355,000)
Proceeds from sale of subsidiary	4,260,000	0
NET CASH PROVIDED BY (USED IN) INVESTING ACTIVITIES	3,926,000	(567,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Note payable - revolver, net	(5,545,000)	458,000
Payments of note payable - term loans	(2,069,000)	(563,000)
Capital lease obligations	(173,000)	(313,000)
Proceeds from notes payable issuances - related party	850,000	0
Proceeds from notes payable issuances	1,850,000	0
Deferred financing costs	0	(75,000)
NET CASH PROVIDED BY (USED IN) FINANCING ACTIVITIES	(5,087,000)	(493,000)
NET INCREASE IN CASH AND CASH EQUIVALENTS	(261,000)	(160,000)
CASH AND CASH EQUIVALENTS AT BEGINNING OF YEAR	1,304,000	529,000
CASH AND CASH EQUIVALENTS AT END OF PERIOD	1,043,000	369,000
Supplemental cash flow information
Cash paid during the period for interest	643,000	505,000
Cash paid during the period for income taxes	0	13,000
Supplemental schedule of non-cash investing and financing activities
Issuance of Convertible notes payable - related party	$ 382,000	$ 0