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Condensed Consolidated Statements of Cash Flows - USD ($)
$ in Thousands
 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Cash flows from operating activities:    
Net income (loss) from continuing operations $ 821 $ 1,910
Adjustments to reconcile net income (loss) to net cash provided by operating activities:    
Deferred income tax provision (benefit) (78)  
Equity income from foreign joint ventures’ operations (400) (1,584)
Depreciation and amortization 459 259
Stock based compensation 256 191
Provision for bad debt 25  
Allowance for obsolete inventory 35 17
Deferred compensation costs 8 39
Change in operating assets and liabilities:    
Accounts receivable 4,310 421
Income taxes payable (282) (71)
Inventories 624 (376)
Costs and estimated earnings in excess of billings on uncompleted contracts (801) 98
Prepaid expenses and other current assets 98 36
Accounts payable and accrued liabilities (2,793) (343)
Billings in excess of costs and estimated earnings on uncompleted contracts 732 (101)
Other (304) (12)
Net cash provided by (used in) operating activities 2,710 484
Cash flows from investing activities:    
Purchases of property, plant and equipment and other assets (449) (3,603)
Proceeds from foreign joint ventures’ operations dividends 1,170 2,522
Cash withdrawal from joint venture   46
Net cash provided by (used in) from investing activities 721 (1,035)
Cash flows from financing activities:    
Proceeds from sale of common stock, preferred stock, and warrants (1) 313
Treasury stocks purchase (70) (466)
Preferred stock cash dividend (75) (150)
Proceeds from long-term notes payable 4,000  
Advances from revolving credit facility (repayments) (2,500)  
Payments on long-term notes payable (89)  
Net cash provided by (used in) financing activities 1,265 (303)
Net increase (decrease) in cash and cash equivalents from continuing operations 4,696 (854)
Advances from (to) discontinued operations   (394)
Net increase (decrease) in cash and cash equivalents 4,696 (1,248)
Cash and cash equivalents, beginning of period 3,550 4,148
Cash and cash equivalents, end of period 8,246 2,900
Supplemental disclosures of cash flow information:    
Interest paid $ 75 29
Income taxes paid   $ 72