Note 9 - Stock-based Compensation - Share Based Compensation Performance Shares Award Outstanding (Details) - Performance Shares [Member] shares in Thousands	9 Months Ended
	Sep. 30, 2024 shares
Balance, Shares (in shares)	852
Granted, Shares (in shares)	1,641
Effect of vesting multiplier, Shares (in shares)	284
Vested, Shares (in shares)	(541)
Canceled (in shares)	(391)
Balance, Shares (in shares)	1,845