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Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Cash flows from operating activities:    
Net income (loss) from continuing operations $ (2,593) $ (2,054)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Deferred income tax provision (benefit) 195 (334)
Equity income from foreign joint ventures’ operations (741) (2,194)
Depreciation and amortization 894 684
Stock based compensation 585 793
Bad debt expense 172 (12)
Obsolete inventory expense 460 33
(Gain)/Loss on sale of property and equipment 96  
Deferred compensation costs 15 78
Change in operating assets and liabilities:    
Accounts receivable 4,712 (1,645)
Income taxes payable   30
Inventories 983 383
Costs and estimated earnings in excess of billings on uncompleted contracts 686 2,324
Prepaid expenses and other current assets 268 (66)
Accounts payable and accrued liabilities (2,299) 787
Billings in excess of costs and estimated earnings on uncompleted contracts (354) (1,038)
Other current liabilities (712) 22
Net cash provided by (used in) operating activities 2,367 (2,209)
Cash flows from investing activities:    
Purchases of property, plant and equipment and other assets (588) (4,878)
Proceeds from foreign joint ventures’ operations dividends 1,170 2,522
Proceeds from sale of Assets Held for Sale 723  
Proceeds from disposal of joint venture   317
Purchase of certificate of deposits (509)  
Net cash provided by (used in) from investing activities 796 (2,039)
Cash flows from financing activities:    
Proceeds from sale of common stock, preferred stock, and warrants 29 132
Treasury stocks purchase (70) (484)
Preferred stock cash dividend (75) (300)
Proceeds from long-term notes payable 4,500  
Advances from revolving credit facility (repayments) 1,043 3,500
Payments on long-term notes payable (4,000)  
Net cash provided by (used in) financing activities 1,427 2,848
Effect of exchange rates on cash (151)  
Net increase (decrease) in cash and cash equivalents from continuing operations 4,439 (1,400)
Advances from (to) discontinued operations   802
Net increase (decrease) in cash and cash equivalents 4,439 (598)
Cash and cash equivalents, beginning of period 3,550 4,148
Cash and cash equivalents, end of period 7,989 3,550
Supplemental disclosures of cash flow information:    
Interest paid 159 36
Income taxes paid $ 178 $ 344