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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
AOCI Attributable to Parent [Member]
Total
Balances (in shares) at Dec. 31, 2018 [1] 10,627,988        
Balances at Dec. 31, 2018 [1] $ 15,823 $ 3,953 $ 60,810 $ (810) $ 79,776
Exercise of stock options (in shares) 80,319       80,319
Exercise of stock options $ 967 (572) 0 0 $ 395
Shares deducted from exercise of stock options for payment of withholding taxes and exercise consideration (in shares) (21,332)       (21,332)
Shares deducted from exercise of stock options for payment of withholding taxes and exercise consideration $ 0 (548) 0 0 $ (548)
Repurchase and retirement of shares (note 13(a)) (in shares) (101,816)       (101,816)
Repurchase and retirement of shares (note 13(a)) $ (157) (4,829) 0 0 $ (4,986)
Stock-based compensation (note 14) 0 2,876 0 0 2,876
Net income for the period 0 0 15,398 0 15,398
Other comprehensive income (loss) (note 7) $ 0 0 0 1,283 1,283
Balances (in shares) at Dec. 31, 2019 10,585,159        
Balances at Dec. 31, 2019 $ 16,633 880 76,208 473 $ 94,194
Exercise of stock options (in shares) 113,132       113,132
Exercise of stock options $ 2,290 (1,305) 0 0 $ 985
Shares deducted from exercise of stock options for payment of withholding taxes and exercise consideration (in shares) (48,013)       (48,013)
Shares deducted from exercise of stock options for payment of withholding taxes and exercise consideration $ 0 (556) 0 0 $ (556)
Repurchase and retirement of shares (note 13(a)) (in shares) (70,238)       (70,238)
Repurchase and retirement of shares (note 13(a)) $ (125) (1,279) (1,877) 0 $ (3,281)
Stock-based compensation (note 14) 0 3,718 0 0 3,718
Net income for the period 0 0 5,775 0 5,775
Other comprehensive income (loss) (note 7) $ 0 0 0 1,863 1,863
Acquisition of Cedar Networks (in shares) 32,374        
Acquisition of Cedar Networks $ 2,000 0 0 0 2,000
Balances (in shares) at Dec. 31, 2020 10,612,414        
Balances at Dec. 31, 2020 $ 20,798 1,458 80,106 2,336 $ 104,698
Exercise of stock options (in shares) 180,827       179,321
Exercise of stock options $ 7,588 (2,770) 0 0 $ 4,818
Shares deducted from exercise of stock options for payment of withholding taxes and exercise consideration (in shares) (45,824)       (45,824)
Shares deducted from exercise of stock options for payment of withholding taxes and exercise consideration $ 0 (387) 0 0 $ (387)
Repurchase and retirement of shares (note 13(a)) (in shares)         0
Repurchase and retirement of shares (note 13(a))         $ 0
Net income for the period 0 0 3,364 0 3,364
Other comprehensive income (loss) (note 7) 0 0 0 (1,993) (1,993)
Stock-based compensation (note 14) $ 129 4,463 0 0 4,592
Balances (in shares) at Dec. 31, 2021 10,747,417        
Balances at Dec. 31, 2021 $ 28,515 $ 2,764 $ 83,470 $ 343 $ 115,092
[1] The Company has initially applied ASC 2016-02 (Topic 842) on January 1, 2019 (note 2(u)). The accounting standard was adopted using the modified retrospective method, under this method the comparative period was not restated.