Note 6 - Stockholders' Equity and Stock-based Compensation - Summary of Performance and Market-based Option Activity (Details) - Performance-based and Market-based Options [Member] - $ / shares	6 Months Ended
	Jun. 30, 2025
Options balances, number of shares (in shares)	0
Options balances, weighted average exercise price (in dollars per share)	$ 0
Options granted, number of shares (in shares)	1,200,000
Options granted, weighted average exercise price (in dollars per share)	$ 18.74
Options exercised, number of shares (in shares)	0
Options exercised, weighted average exercise price (in dollars per share)	$ 0
Options canceled, number of shares (in shares)	0
Options canceled, weighted average exercise price (in dollars per share)	$ 0
Options expired, number of shares (in shares)	0
Options expired, weighted average exercise price (in dollars per share)	$ 0
Options balances, number of shares (in shares)	1,200,000
Options balances, weighted average exercise price (in dollars per share)	$ 18.74
Options balances, weighted average remaining life (Year)	9 years 6 months 14 days
Options exercisable, number of shares (in shares)	0
Options exercisable, weighted average exercise price (in dollars per share)	$ 0