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Consolidated Statements of Changes in Shareholders' Equity (USD $)
In Thousands, except Share data
Common Stock [Member]
Additional Paid-in Capital [Member]
Accumulated Translation Adjustment [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Noncontrolling Interest [Member]
Total
Balance at Dec. 31, 2010 $ 1,865 $ 171,020 $ (1,262) $ (90,200) $ (7,652) $ 24 $ 73,795
Balance (in Shares) at Dec. 31, 2010 18,639,683            
Net loss       (2,080)   (58) (2,138)
Foreign currency translation adjustments     277       277
Stock-based compensation related to stock options   946         946
Shares issued (cancelled) and compensation under restricted stock grants   (27)     (6)   (33)
Shares issued (cancelled) and compensation under restricted stock grants (in Shares) (2,905)            
Shares issued to directors 7 299         306
Shares issued to directors (in Shares) 61,643            
Shares issued under stock option exercises 2 71         73
Shares issued under stock option exercises (in Shares) 18,500           18,500
Balance at Dec. 31, 2011 1,874 172,309 (985) (92,280) (7,658) (34) 73,226
Balance (in Shares) at Dec. 31, 2011 18,716,921            
Net loss       (1,598)   (31) (1,629)
Foreign currency translation adjustments     365       365
Stock-based compensation related to stock options   1,073         1,073
Shares issued to directors 9 298         307
Shares issued to directors (in Shares) 83,813            
Shares issued under stock option exercises 3 111         114
Shares issued under stock option exercises (in Shares) 28,000           28,000
Balance at Dec. 31, 2012 $ 1,886 $ 173,791 $ (620) $ (93,878) $ (7,658) $ (65) $ 73,456
Balance (in Shares) at Dec. 31, 2012 18,828,734