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CONSOLIDATED STATEMENT OF CHANGES IN 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, 2018 $ 34 $ 8,157 $ (3,675) $ 4,864 $ (89) $ 9,291
Balance (in shares) at Dec. 31, 2018 32,271,367          
Exercised and vested stock-based awards   8       8
Exercised and vested stock-based awards (in shares) 21,832          
Stock-based compensation expense   140       140
Treasury stock     (171)     (171)
Treasury stock (in shares) (52,000)          
Other (in shares) (8)          
Net income       2,350   2,350
Balance at Mar. 31, 2019 $ 34 8,305 (3,846) 7,214 (89) 11,618
Balance (in shares) at Mar. 31, 2019 32,241,191          
Balance at Dec. 31, 2018 $ 34 8,157 (3,675) 4,864 (89) 9,291
Balance (in shares) at Dec. 31, 2018 32,271,367          
Treasury stock           (200)
Treasury stock (in shares) (52,000)          
Balance at Sep. 30, 2019 $ 34 8,884 (3,846) 11,409 (89) 16,392
Balance (in shares) at Sep. 30, 2019 32,533,597          
Balance at Mar. 31, 2019 $ 34 8,305 (3,846) 7,214 (89) 11,618
Balance (in shares) at Mar. 31, 2019 32,241,191          
Exercised and vested stock-based awards   129       129
Exercised and vested stock-based awards (in shares) 166,623          
Warrant exercises (in shares) 40,366          
Stock-based compensation expense   158       158
Net income       2,162   2,162
Balance at Jun. 30, 2019 $ 34 8,592 (3,846) 9,376 (89) 14,067
Balance (in shares) at Jun. 30, 2019 32,448,180          
Exercised and vested stock-based awards   34       34
Exercised and vested stock-based awards (in shares) 85,417          
Stock-based compensation expense   258       258
Net income       2,033   2,033
Balance at Sep. 30, 2019 $ 34 8,884 (3,846) 11,409 (89) 16,392
Balance (in shares) at Sep. 30, 2019 32,533,597          
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          
Exercised and vested stock-based awards   53       53
Exercised and vested stock-based awards (in shares) 157,414          
Stock-based compensation expense   579       579
Net income       3,017   3,017
Balance at Jun. 30, 2020 $ 34 10,548 (3,846) 20,310 (89) 26,957
Balance (in shares) at Jun. 30, 2020 33,334,996          
Exercised and vested stock-based awards   (38)       (38)
Exercised and vested stock-based awards (in shares) 152,269          
Stock issued for public offering $ 1 25,239       25,240
Stock issued for public offering ( shares) 1,250,000          
Stock-based compensation expense   730       730
Net income       1,333   1,333
Balance at Sep. 30, 2020 $ 35 $ 36,479 $ (3,846) $ 21,643 $ (89) $ 54,222
Balance (in shares) at Sep. 30, 2020 34,737,265