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Consolidated Statements of Changes in Stockholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Common Stock
Additional Paid-in Capital
Retained Earnings
Accumulated Other Comprehensive Income
Total
Balance at the beginning of the period at Dec. 31, 2019 $ 139 $ 125,779 $ 52,470 $ 690 $ 179,078
Balance at the beginning of the period (in shares) at Dec. 31, 2019 13,902        
Increase (Decrease) in Stockholders' Equity          
Net income     3,733   3,733
Other comprehensive income (loss), net of tax       1,747 1,747
Repurchase of common stock $ (5) (7,275)     (7,280)
Repurchase of common stock (in shares) (487)        
Common stock issuance for options exercised, net $ 1 204     205
Common stock issuance for options exercised, net (in shares) 37        
Stock-based compensation expense   205     205
Balance at the end of the period at Mar. 31, 2020 $ 135 118,913 56,203 2,437 177,688
Balance at the end of the period (in shares) at Mar. 31, 2020 13,452        
Balance at the beginning of the period at Dec. 31, 2020 $ 135 119,568 67,971 1,826 189,500 [1]
Balance at the beginning of the period (in shares) at Dec. 31, 2020 13,511        
Increase (Decrease) in Stockholders' Equity          
Net income     5,569   5,569
Other comprehensive income (loss), net of tax       (1,125) (1,125)
Common stock issuance for options exercised, net $ 1 818     819
Common stock issuance for options exercised, net (in shares) 128        
Stock-based compensation expense   166     166
Balance at the end of the period at Mar. 31, 2021 $ 136 $ 120,552 $ 73,540 $ 701 $ 194,929
Balance at the end of the period (in shares) at Mar. 31, 2021 13,639        
[1] Derived from audited consolidated financial statements.