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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Cash Flows from Operating Activities:    
Net income (loss) $ 766 $ (1,023)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:    
Depreciation and amortization 481 602
Share-based Compensation 68 193
Gain on sale of business component (321) (910)
Amortization of discount on note payable 34 31
Non-cash interest 47
Changes in operating assets and liabilities:    
Contracts and other receivables 1,399 4,430
Costs and estimated earnings in excess of billings on uncompleted contracts 316 383
Inventories, net (75) 7
Prepaid expenses and other current assets 59 (217)
Accounts payable and accrued expenses (2,474) (2,101)
Billings in excess of costs and estimated earnings on uncompleted contracts (324) 812
Other liabilities (21) 25
Net cash provided by (used in) operating activities (45) 2,232
Cash Flows from Investing Activities:    
Capital expenditures (212) (290)
Proceeds from sale of business component 314 792
Net cash provided by investing activities 102 502
Cash Flows from Financing Activities:    
Payments on convertible notes and seller notes (250) (300)
Proceeds from issuance of debt 1,050
Repurchase of treasury stock (4) (1)
Borrowing (repayment) of receivables financing facility (737) 737
Repayment of line of credit (2,150)
Net cash provided by (used in) financing activities 59 (1,714)
Net increase in cash 116 1,020
Cash, beginning of period 2,152 1,132
Cash, end of period 2,268 2,152
Supplemental disclosure of cash flow information:    
Cash paid for interest 273 314
Cash paid for taxes $ 43 $ 70