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CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Common Stock [Member]
Additional Paid In Capital [Member]
Treasury Stock [Member]
Accumulated Other Comprehensive Loss [Member]
Accumulated Deficit [Member]
Total
Balance at Dec. 31, 2020 $ 48 $ 248,018 $ (256) $ (4,671) $ (144,002) $ 99,137
Balance (in shares) at Dec. 31, 2020 48,297          
Increase (Decrease) in Stockholders' Equity            
Net income         11,951 11,951
Other comprehensive income (loss)       (1,812)   (1,812)
Treasury shares repurchased     (13,358)     (13,358)
Proceeds from issuance of ESPP shares   47 402     449
Issuance of treasury shares   (10,612) 10,612      
Issuance of common stock for RSUs vested $ 1 (1)        
Issuance of common stock for RSUs vested (in shares) 1,065          
Accrued dividends on unvested shares   (225)       (225)
Cash dividends paid to shareholders   (2,940)       (2,940)
Stock based compensation   5,075       5,075
Balance at Sep. 30, 2021 $ 49 239,362 (2,600) (6,483) (132,051) 98,277
Balance (in shares) at Sep. 30, 2021 49,362          
Balance at Jun. 30, 2021 $ 49 243,710 (4,883) (5,523) (136,472) 96,881
Balance (in shares) at Jun. 30, 2021 49,362          
Increase (Decrease) in Stockholders' Equity            
Net income         4,421 4,421
Other comprehensive income (loss)       (960)   (960)
Treasury shares repurchased     (2,142)     (2,142)
Proceeds from issuance of ESPP shares   26 136     162
Issuance of treasury shares for RSUs vested   (4,289) 4,289      
Accrued dividends on unvested shares   (95)       (95)
Cash dividends paid to shareholders   (1,489)       (1,489)
Stock based compensation   1,499       1,499
Balance at Sep. 30, 2021 $ 49 239,362 (2,600) (6,483) (132,051) 98,277
Balance (in shares) at Sep. 30, 2021 49,362          
Balance at Dec. 31, 2021 $ 49 237,628 (3,871) (6,940) (128,473) $ 98,393
Balance (in shares) at Dec. 31, 2021 49,362         49,362
Increase (Decrease) in Stockholders' Equity            
Net income         15,443 $ 15,443
Other comprehensive income (loss)       (4,799)   (4,799)
Treasury shares repurchased     (15,804)     (15,804)
Proceeds from issuance of ESPP shares   (136) 831     695
Issuance of treasury shares for RSUs vested   (9,713) 9,713      
Accrued dividends on unvested shares   (270)       (270)
Cash dividends paid to shareholders   (5,448)       (5,448)
Stock based compensation   5,432       5,432
Balance at Sep. 30, 2022 $ 49 227,493 (9,131) (11,739) (113,030) $ 93,642
Balance (in shares) at Sep. 30, 2022 49,362         49,362
Balance at Jun. 30, 2022 $ 49 232,994 (10,523) (9,742) (118,586) $ 94,192
Balance (in shares) at Jun. 30, 2022 49,362          
Increase (Decrease) in Stockholders' Equity            
Net income         5,556 5,556
Other comprehensive income (loss)       (1,997)   (1,997)
Treasury shares repurchased     (4,281)     (4,281)
Proceeds from issuance of ESPP shares   (36) 283     247
Issuance of treasury shares for RSUs vested   (5,390) 5,390      
Accrued dividends on unvested shares   (13)       (13)
Cash dividends paid to shareholders   (2,049)       (2,049)
Stock based compensation   1,987       1,987
Balance at Sep. 30, 2022 $ 49 $ 227,493 $ (9,131) $ (11,739) $ (113,030) $ 93,642
Balance (in shares) at Sep. 30, 2022 49,362         49,362