v3.24.2

Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Accounts receivable, allowance for doubtful accounts	$ 1,305	$ 1,388
Preferred stock, no par value (in dollars per share)	$ 0	$ 0
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	0
Common Class A [Member]
Common stock, par value (in dollars per share)	$ 0.1	$ 0.1
Common stock, shares authorized (in shares)	10,000,000	10,000,000
Common stock, shares outstanding (in shares)	2,120,989	2,141,589
Common stock, treasury shares (in shares)	23,923	23,923
Common Class A [Member] \| Restricted Stock [Member]
Common stock, treasury shares (in shares)	1,072,769	1,072,769
Common Class B [Member]
Common stock, par value (in dollars per share)	$ 0.1	$ 0.1
Common stock, shares authorized (in shares)	30,000,000	30,000,000
Common stock, shares outstanding (in shares)	10,453,469	10,620,260
Common stock, treasury shares (in shares)	232,242	232,242
Common Class B [Member] \| Restricted Stock [Member]
Common stock, treasury shares (in shares)	3,218,307	3,218,307

Amount of allowance for credit loss on accounts receivable, classified as current.

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