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Condensed Consolidated Balance Sheets (USD $)
In Thousands, unless otherwise specified
Jun. 30, 2012
Dec. 31, 2011
Current assets:    
Cash and cash equivalents $ 3,945 $ 3,749
Accounts receivable-trade, net of allowance of $215 and $393 at June 30, 2012 and December 31, 2011, respectively 10,073 11,291
Inventories, net 4,752 4,945
Costs and estimated earnings in excess of billings on uncompleted contracts 2,449 2,026
Prepaid expenses and other current assets 228 336
Total current assets 21,447 22,347
Property, plant and equipment, net 4,370 4,489
Investments in foreign joint ventures 10,257 9,308
Other assets 362 87
Total assets 36,436 36,231
Current liabilities:    
Accounts payable 3,416 5,772
Accrued payroll and benefits 1,220 1,414
Other accrued expenses 587 855
Billings in excess of costs and estimated earnings on uncompleted contracts 2,213 2,909
Short-term notes payable 132 154
Total current liabilities 7,568 11,104
Notes payable 2,000 5,057
Deferred income taxes 2,706 2,433
Deferred compensation 119 116
Total liabilities 12,393 18,710
Convertible preferred stock    
Mandatorily redeemable convertible preferred stock; $.001 par value, shares issued and outstanding 1,000,000 June 30, 2012, none December 31,2011 4,175   
Common stockholders' equity:    
Common stock; $0.001 par value, 50,000,000 shares authorized, 7,913,535 and 7,825,787 shares issued and outstanding at June 30, 2012 and December 31, 2011, respectively 8 8
Additional paid-in capital 9,422 8,171
Treasury stock; 20,222 shares at cost (92)   
Accumulated other comprehensive income, foreign currency translation, net 941 849
Retained earnings; including accumulated statutory reserves in equity method investments of $1,620 and $1,284 at June 30, 2012 and December 31, 2011, respectively 9,589 8,493
Total common stockholders' equity 19,868 17,521
Total liabilities, preferred stock and stockholders' equity $ 36,436 $ 36,231