Consolidated Balance Sheets (Parentheticals) - $ / shares	Dec. 31, 2024	Dec. 31, 2023
Class A common stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	500,000,000	500,000,000
Common stock, shares issued (in shares)	23,494,487	21,933,005
Common stock, shares outstanding (in shares)	23,494,487	21,933,005
Class B common stock
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	27,206	27,206
Common stock, shares issued (in shares)	27,206	27,206
Common stock, shares outstanding (in shares)	27,206	27,206