Consolidated Balance Sheets (Parentheticals) - $ / shares	Dec. 31, 2024	Dec. 31, 2023
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	190,000,000	175,000,000
Common stock, issued (in shares)	156,204,159	151,465,598
Common stock, outstanding (in shares)	155,836,256	151,424,289
Treasury stock, shares (in shares)	367,903	41,309