Quarterly report pursuant to Section 13 or 15(d)

Unaudited Consolidated Balance Sheets (Parenthetical)

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Unaudited Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Stockholders' equity:    
Allowance for credit loss $ 1,600 $ 1,700
Accumulated amortization (124,000) (135,000)
Accumulated depreciation $ (68,000) $ (66,000)
Common stock, par value (in dollars per share) $ 0.05 $ 0.05
Common stock, authorized (in shares) 15,000,000 15,000,000
Common stock, issued (in shares) 12,768,983 12,726,659
Common stock, outstanding (in shares) 12,768,983 12,726,659