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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Non-Controlling Interest [Member]
Total
Balance at Dec. 31, 2019 $ 34 $ 9,198 $ (3,846) $ 14,356 $ (89) $ 19,653
Balance (in shares) at Dec. 31, 2019 32,791,665          
Exercised and vested stock-based awards   221       221
Exercised and vested stock-based awards (in shares) 385,917          
Stock-based compensation expense   497       497
Net income       2,937   2,937
Balance at Mar. 31, 2020 $ 34 9,916 (3,846) 17,293 $ (89) 23,308
Balance (in shares) at Mar. 31, 2020 33,177,582          
Balance at Dec. 31, 2020 $ 36 37,235 (3,846) 23,430   56,855
Balance (in shares) at Dec. 31, 2020 34,791,931          
Exercised and vested stock-based awards $ 1 29       30
Exercised and vested stock-based awards (in shares) 57,769          
Stock-based compensation expense   108       108
Shares of common stock withheld to pay taxes on employees' equity awards   (59)       (59)
Shares of common stock withheld to pay taxes on employees' equity awards (in shares) (3,758)          
Warrants exercised (in shares) 8,848          
Treasury stock $ (100)   (75)     (75)
Treasury stock (in shares) (5,000)          
Net income       (706)   (706)
Balance at Mar. 31, 2021 $ 37 $ 37,313 $ (3,921) $ 22,724   $ 56,153
Balance (in shares) at Mar. 31, 2021 34,849,790