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Condensed Consolidated Statement of Equity (Unaudited) - USD ($)
shares in Thousands, $ in Thousands
Common Stock [Member]
Treasury Stock [Member]
Additional Paid-in Capital [Member]
AOCI Attributable to Parent [Member]
Retained Earnings [Member]
Noncontrolling Interest [Member]
Total
Balance (in shares) at Dec. 31, 2019 21,102 2          
Balance at Dec. 31, 2019 $ 211 $ (2) $ 16,511 $ (3,616) $ 5,851 $ 12,406 $ 31,361
Share-based compensation $ 0 $ 0 25 0 0 0 25
Exercise of stock options (in shares) 6 0          
Exercise of stock options $ 0 $ 0 0 0 0 0 0
Other comprehensive income (loss) 0 0 0 (1,456) 0 (2,444) (3,900)
Net income (loss) $ 0 $ 0 0 0 296 626 922
Balance (in shares) at Mar. 31, 2020 21,108 2          
Balance at Mar. 31, 2020 $ 211 $ (2) 16,536 (5,072) 6,147 10,588 28,408
Balance (in shares) at Dec. 31, 2019 21,102 2          
Balance at Dec. 31, 2019 $ 211 $ (2) 16,511 (3,616) 5,851 12,406 31,361
Net income (loss)             4,672
Balance (in shares) at Sep. 30, 2020 21,112 2          
Balance at Sep. 30, 2020 $ 211 $ (2) 16,621 (5,060) 7,188 13,277 32,235
Balance (in shares) at Mar. 31, 2020 21,108 2          
Balance at Mar. 31, 2020 $ 211 $ (2) 16,536 (5,072) 6,147 10,588 28,408
Share-based compensation 0 0 70 0 0 0 70
Other comprehensive income (loss) 0 0 0 (34) 0 (45) (79)
Net income (loss) $ 0 $ 0 0 0 (103) 1,408 1,305
Balance (in shares) at Jun. 30, 2020 21,108 2          
Balance at Jun. 30, 2020 $ 211 $ (2) 16,606 (5,106) 6,044 11,951 29,704
Share-based compensation $ 0 $ 0 17 0 0 0 17
Exercise of stock options (in shares) 4 0          
Exercise of stock options $ 0 $ 0 (2) 0 0 0 (2)
Other comprehensive income (loss) 0 0 0 46 0 25 71
Net income (loss) $ 0 $ 0 0 0 1,144 1,301 2,445
Balance (in shares) at Sep. 30, 2020 21,112 2          
Balance at Sep. 30, 2020 $ 211 $ (2) 16,621 (5,060) 7,188 13,277 32,235
Balance (in shares) at Dec. 31, 2020 21,122 2          
Balance at Dec. 31, 2020 $ 211 $ (2) 16,645 (3,913) 9,218 16,463 38,622
Share-based compensation $ 0 $ 0 99 0 0 0 99
Exercise of stock options (in shares) 131 0          
Exercise of stock options $ 1 $ 0 (66) 0 0 0 (65)
Other comprehensive income (loss) 0 0 0 (198) 0 (1,637) (1,835)
Net income (loss) $ 0 $ 0 0 0 917 864 1,781
Balance (in shares) at Mar. 31, 2021 21,253 2          
Balance at Mar. 31, 2021 $ 212 $ (2) 16,678 (4,111) 10,135 15,690 38,602
Balance (in shares) at Dec. 31, 2020 21,122 2          
Balance at Dec. 31, 2020 $ 211 $ (2) 16,645 (3,913) 9,218 16,463 38,622
Net income (loss)             5,052
Balance (in shares) at Sep. 30, 2021 21,320 54          
Balance at Sep. 30, 2021 $ 213 $ (104) 17,025 (4,591) 11,829 16,850 41,222
Balance (in shares) at Mar. 31, 2021 21,253 2          
Balance at Mar. 31, 2021 $ 212 $ (2) 16,678 (4,111) 10,135 15,690 38,602
Share-based compensation $ 0 $ 0 183 0 0 0 183
Exercise of stock options (in shares) 16 0          
Exercise of stock options $ 1 $ 0 (4) 0 0 0 (3)
Other comprehensive income (loss) 0 0 0 223 0 268 491
Net income (loss) 0 0 0 0 514 618 1,132
Other changes to non-controlling interest $ 0 $ 0 0 0 0 4 4
Balance (in shares) at Jun. 30, 2021 21,269 2          
Balance at Jun. 30, 2021 $ 213 $ (2) 16,857 (3,888) 10,649 16,580 40,409
Share-based compensation $ 0 $ 0 221 0 0 0 221
Exercise of stock options (in shares) 51 0          
Exercise of stock options $ 0 $ 0 (53) 0 0 0 (53)
Other comprehensive income (loss) 0 0 0 (703) 0 (649) (1,352)
Net income (loss) $ 0 $ 0 0 0 1,180 959 2,139
Purchase of treasury shares (in shares) 0 52          
Purchase of treasury shares $ 0 $ (102) 0 0 0 0 (102)
Distribution to non-controlling investors $ 0 $ 0 0 0 0 (40) (40)
Balance (in shares) at Sep. 30, 2021 21,320 54          
Balance at Sep. 30, 2021 $ 213 $ (104) $ 17,025 $ (4,591) $ 11,829 $ 16,850 $ 41,222