Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Condensed Consolidated Balance Sheets
Allowances for doubtful accounts	$ 602	$ 631
Common Stock, No Par Value	$ 0	$ 0
Common Stock, Shares Authorized	75,000,000	75,000,000
Common Stock, Shares, Issued	21,645,193	21,386,382
Treasury stock at cost	1,472,447	1,050,448

Amount of allowance for credit loss on accounts receivable.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Face amount per share of no-par value common stock.

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