Note 15 - Stockholders' Equity and Stock-based Compensation - Summary of Issuances of Shares of Our Common Stock (Details) - shares		12 Months Ended
		Dec. 31, 2023	Dec. 31, 2022
Vesting of employee stock awards (1) (in shares)	[1]	153,324	728,799

[1] Amounts are net of shares withheld to cover employee tax payments. Amounts vested are for various employees.