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Consolidated Statements of Changes in Shareholders' Equity (Unaudited) - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Treasury Stock [Member]
Noncontrolling Interest [Member]
Total
Balance (in shares) at Dec. 31, 2019 20,268,050            
Balance at Dec. 31, 2019 $ 2,026 $ 184,292 $ (2,531) $ (52,830) $ (21,231) $ 24 $ 109,750
Net income       1,059   15 1,074
Stock option exercises (in shares) 7,633            
Stock option exercises $ 1 28         29
Stock-based compensation – stock options   192         192
Stock-based compensation – restricted stock   38          
Tax withholdings on restricted stock $ 1 (8) (7)
Foreign currency translation adjustments     (807)       (807)
Balance (in shares) at Mar. 31, 2020 20,281,516            
Balance at Mar. 31, 2020 $ 2,028 184,550 (3,338) (51,771) (21,239) 39 $ 110,269
Balance (in shares) at Dec. 31, 2020 20,373,519           15,959,984
Balance at Dec. 31, 2020 $ 2,037 185,464 (1,782) (47,598) (21,321) 123 $ 116,923
Net income       671   8 $ 679
Stock option exercises (in shares) 37,159           76,599
Stock option exercises $ 4 27         $ (21)
Stock-based compensation – stock options   163         163
Stock-based compensation – restricted stock   21         21
Tax withholdings on restricted stock $ 1 (1) (7) (7)
Foreign currency translation adjustments     103       $ 103
Balance (in shares) at Mar. 31, 2021 20,416,511           15,994,606
Balance at Mar. 31, 2021 $ 2,042 $ 185,674 $ (1,679) $ (46,927) $ (21,380) $ 131 $ 117,861