Consolidated Balance Sheets (Parentheticals) - $ / shares	Dec. 31, 2025	Dec. 31, 2024
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	1,000,000	1,000,000
Preferred stock, shares issued (in shares)	0	0
Preferred stock, shares outstanding (in shares)	0	0
Treasury stock, shares (in shares)	561,868	111,323
Common Class A [Member]
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	38,838,884	38,838,884
Common stock, shares issued (in shares)	31,019,355	30,943,349
Common Class B [Member]
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	1,161,116	1,161,116
Common stock, shares issued (in shares)	580,558	527,780
Common stock, shares outstanding (in shares)	580,558	527,780