Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Statement of Financial Position [Abstract]
Accounts receivable, less allowance for doubtful accounts	$ 1,513	$ 2,473
Preferred stock, par value in USD per share)	$ 1	$ 1
Preferred stock, shares authorized (in shares)	500,000	0
Preferred stock, shares issued (in shares)	500,000	0
Preferred stock, shares outstanding (in shares)	500,000	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)	19,730,362	10,542,333
Common stock, shares outstanding (in shares)	19,416,784	10,294,824
Treasury stock (in shares)	313,578	247,509