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Consolidated Statement of Equity (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Balance at June 30, 2020 at Dec. 31, 2019 [1] $ 11,949 $ 6 $ 11,445 $ (1,665) $ 2,163
Balance, shares at Dec. 31, 2019 [1]   6,245      
Stock-based compensation expense 31 31
Repurchase of common shares under Stock Buyback Plan (158) (158)
Repurchase of common shares under Stock Buyback Plan, shares   (21)      
Net income (loss) (241) (241)
Balance at September 30, 2020 at Mar. 31, 2020 11,581 $ 6 11,476 (1,823) 1,922
Balance, shares at Mar. 31, 2020   6,224      
Balance at June 30, 2020 at Dec. 31, 2019 [1] 11,949 $ 6 11,445 (1,665) 2,163
Balance, shares at Dec. 31, 2019 [1]   6,245      
Net income (loss) 840        
Balance at September 30, 2020 at Sep. 30, 2020 12,338 $ 6 11,528 (2,199) 3,003
Balance, shares at Sep. 30, 2020   6,170      
Balance at June 30, 2020 at Mar. 31, 2020 11,581 $ 6 11,476 (1,823) 1,922
Balance, shares at Mar. 31, 2020   6,224      
Stock-based compensation expense 24 24
Stock options exercised 3 3
Stock options exercised, shares   3      
Repurchase of common shares under Stock Buyback Plan (111) (111)
Repurchase of common shares under Stock Buyback Plan, shares   (16)      
Net income (loss) 351 351
Balance at September 30, 2020 at Jun. 30, 2020 11,848 $ 6 11,503 (1,934) 2,273
Balance, shares at Jun. 30, 2020   6,211      
Stock-based compensation expense 25 25
Repurchase of common shares under Stock Buyback Plan (265) (265)
Repurchase of common shares under Stock Buyback Plan, shares   (41)      
Net income (loss) 730 730
Balance at September 30, 2020 at Sep. 30, 2020 12,338 $ 6 11,528 (2,199) 3,003
Balance, shares at Sep. 30, 2020   6,170      
Balance at June 30, 2020 at Dec. 31, 2020 12,464 $ 6 11,612 (2,702) 3,548
Balance, shares at Dec. 31, 2020   6,118      
Stock-based compensation expense 25 25
Stock options exercised 40 40
Stock options exercised, shares   18      
Repurchase of common shares under Stock Buyback Plan (411) (411)
Repurchase of common shares under Stock Buyback Plan, shares   (29)      
Net income (loss) 1,150 1,150
Balance at September 30, 2020 at Mar. 31, 2021 13,268 $ 6 11,677 (3,113) 4,698
Balance, shares at Mar. 31, 2021   6,107      
Balance at June 30, 2020 at Dec. 31, 2020 $ 12,464 $ 6 11,612 (2,702) 3,548
Balance, shares at Dec. 31, 2020   6,118      
Stock options exercised, shares 18,045        
Net income (loss) $ 2,219        
Balance at September 30, 2020 at Sep. 30, 2021 13,323 $ 6 11,879 (3,415) 4,853
Balance, shares at Sep. 30, 2021   6,097      
Balance at June 30, 2020 at Mar. 31, 2021 13,268 $ 6 11,677 (3,113) 4,698
Balance, shares at Mar. 31, 2021   6,107      
Stock-based compensation expense 29 29
Stock options exercised 4 4
Stock options exercised, shares   1      
Repurchase of common shares under Stock Buyback Plan (195) (195)
Repurchase of common shares under Stock Buyback Plan, shares   (13)      
Net income (loss) 202 202
Balance at September 30, 2020 at Jun. 30, 2021 13,308 $ 6 11,710 (3,308) 4,900
Balance, shares at Jun. 30, 2021   6,095      
Stock-based compensation expense 168 168
Stock-based compensation expense, shares   10      
Stock options exercised 1 1
Repurchase of common shares under Stock Buyback Plan (107) (107)
Repurchase of common shares under Stock Buyback Plan, shares   (8)      
Dividends paid (914) (914)
Net income (loss) 867 867
Balance at September 30, 2020 at Sep. 30, 2021 $ 13,323 $ 6 $ 11,879 $ (3,415) $ 4,853
Balance, shares at Sep. 30, 2021   6,097      
[1] The balance at December 31, 2019 has been updated to reflect the impact of the 1-for-4 reverse stock split effective December 1, 2020.