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Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)
In Thousands, unless otherwise specified
 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Cash flows from operating activities:    
Net Income (loss) $ 1,150 $ (1,049)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities:    
Deferred income tax provision (benefit) 334 (675)
Equity income from foreign joint ventures' operations (1,825) (498)
Depreciation and amortization 467 382
Stock based compensation 215 112
Provision for bad debt 60 167
Allowance for obsolete inventory 17 16
Gain on sale of property, plant and equipment (17) (6)
Deferred compensation costs 3 15
Change in operating assets and liabilities:    
Accounts receivable 1,254 696
Inventories 177 (1,028)
Costs and estimated earnings in excess of billings on uncompleted contracts (423) 827
Accounts payable and accrued liabilities (2,818) 488
Billings in excess of costs and estimated earnings on uncompleted contracts (695) 22
Other, net 10 (17)
Net cash (used in) provided by operating activities (2,091) (548)
Cash flows from investing activities:    
Purchases of property, plant and equipment (300) (139)
Proceeds from disposal of property, plant and equipment 17 6
Proceeds from joint venture dividends 907 1,052
Investment in joint venture    (69)
Purchase of intangible assets (104)   
Net cash used in investing activities 520 850
Cash flows from financing activities:    
Proceeds from issuance of common stock 17 16
Proceeds from sale of preferred stock and warrants 4,961   
Dividends on preferred stock (41)   
Treasury stock purchase, in accordance with the employee stock incentive plan (92)   
Capital lease obligation payment (57) (76)
Principal payments on short-term notes payable (21) (50)
Principal (payments on) advances from revolving credit facility (3,000) 1,000
Net cash used in financing activities 1,767 890
Net increase (decrease) in cash and cash equivalents 196 1,192
Cash and cash equivalents, beginning of period 3,749 1,364
Cash and cash equivalents, end of period 3,945 2,556
Supplemental disclosures of cash flow information:    
Interest paid 76 68
Income taxes paid    24
Non-cash investing and financing activities:    
Common stock issuance to acquire intangible assets $ 219