Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Allowance for doubtful accounts	$ 2,058	$ 1,513
LIABILITIES AND STOCKHOLDERS’ EQUITY
Preferred stock, par value (in USD per share)	$ 1	$ 1
Preferred stock, shares authorized (in shares)	500,000	500,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Common stock, par value (in USD per share)	$ 1	$ 1
Common stock, shares authorized (in shares)	35,000,000	35,000,000
Common stock, shares issued (in shares)	21,441,506	19,730,362
Common stock, shares outstanding (in shares)	21,125,289	19,416,784
Treasury stock (in shares)	316,217	313,578