Consolidated Statements of Cash Flows - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash Flows from Operating Activities:
Net income	$ 2,437	$ 766
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	385	481
Provision for doubtful accounts		(2)
Share-based Compensation, Total	241	68
Gain on sale of business component	(1,140)	(321)
Amortization of discount on note payable	81	34
Non-cash interest	101	47
Changes in operating assets and liabilities:
Contracts and other receivables	(478)	1,401
Costs and estimated earnings in excess of billings on uncompleted contracts	(84)	316
Inventories, net	26	(75)
Prepaid expenses and other current assets	21	59
Accounts payable and accrued expenses	369	(2,474)
Billings in excess of costs and estimated earnings on uncompleted contracts	(126)	(324)
Other liabilities	67	(21)
Net cash provided by (used in) operating activities	1,900	(45)
Cash Flows from Investing Activities:
Capital expenditures	(242)	(212)
Proceeds from sale of business component	2,144	314
Net cash provided by investing activities	1,902	102
Cash Flows from Financing Activities:
Payments on convertible notes and seller notes		(250)
Proceeds from issuance of debt		1,050
Repurchase of treasury stock	(6)	(4)
Borrowing (repayment) of receivables financing facility		(737)
Proceeds from issuance of stock	114
Net cash provided by financing activities	108	59
Net increase in cash	3,910	116
Cash, beginning of period	2,268	2,152
Cash, end of period	6,178	2,268
Supplemental disclosure of cash flow information:
Cash paid for interest	223	273
Cash paid for taxes	$ 57	$ 43