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Consolidated Statements Of Cash Flows (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Cash flows from operating activities:    
Net loss $ (5,888) $ (1,694)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities:    
Deferred income tax provision (benefit) 5,338 (1,151)
Equity income from joint venture's (1,917) (2,304)
Depreciation and amortization 772 880
Stock based compensation 291 216
Provision for bad debt 83 257
Allowance for obsolete inventory 20 (111)
Gain on sale of property and equipment (5) (70)
Deferred compensation costs   69
Customer settlement   100
Change in operating assets and liabilities:    
Accounts receivable (2,413) 1,553
Income taxes payable   (182)
Inventories (1,145) (146)
Costs and estimated earnings in excess of billings on uncompleted contracts 1,461 263
Prepaid expenses and other current assets 35 89
Accounts payable and accrued liabilities 2,567 398
Billings in excess of costs and estimated earnings on uncompleted contracts 1,853 103
Net cash provided by (used in) operating activities 1,052 (1,730)
Cash flows from investing activities:    
Purchases of property, plant and equipment (533) (368)
Proceeds from disposal of property, plant and equipment 5 70
Investment in joint venture (126) (158)
Proceeds from joint venture dividends 1,156 1,214
Net cash provided from investing activities 502 758
Cash flows from financing activities:    
Proceeds from sale of common stock 35 35
Advances from revolving credit facility 1,000 1,000
Capital lease obligation payment (154) (146)
Principal payments on short-term notes payable (50) (50)
Net cash provided by financing activities 831 839
Net increase (decrease) in cash and cash equivalents 2,385 (133)
Cash and cash equivalents, beginning of year 1,364 1,497
Cash and cash equivalents, end of year 3,749 1,364
Supplemental disclosures of cash flow information:    
Interest paid 193 131
Income taxes paid $ 133 $ 145