Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Cash Flows from Operating Activities:
Net income	$ 81	$ 254
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	106	139
Non-cash interest	24
Amortization of debt discount	22	10
Stock-based compensation	49	10
Gain on sale of business component		(321)
Changes in operating assets and liabilities:
Contract and other receivables	(985)	912
Costs and estimated earnings in excess of billings on uncompleted contracts	30	249
Inventories, net	40	(7)
Prepaid expenses and other assets	(1)	(18)
Accounts payable and accrued expenses	(194)	(1,619)
Deferred revenues	429	(247)
Other liabilities	5	(46)
Net cash used in operating activities	(394)	(684)
Cash Flows from Investing Activities:
Capital expenditures	(37)	(33)
Proceeds from sale of business component		314
Net cash provided by (used in) investing activities	(37)	281
Cash Flows from Financing Activities:
Payment on long-term borrowings		(150)
(Repayment) borrowings under receivables factoring agreement		(303)
Repurchase of treasury stock		(1)
Net cash used in financing activities		(454)
Net decrease in cash and cash equivalents	(431)	(857)
Cash and cash equivalents at beginning of period	2,268	2,152
Cash and cash equivalents at end of period	1,837	1,295
Supplemental disclosure of cash flow information:
Cash paid for interest	48	68
Cash paid for taxes	$ 4	$ 8