Note 11 - Stock-based Compensation - Award Activity (Details) - $ / shares	9 Months Ended	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Jun. 30, 2025
Options, granted (in shares)		0
Share-Based Payment Arrangement, Option [Member]
Options, outstanding (in shares)	720,619
Options, outstanding, weighted average exercise price (in dollars per share)	$ 2.1
Options, outstanding, contractual term (Year)	9 years 4 months 24 days		7 years 2 months 12 days
Options, granted (in shares)	3,441,565
Options, granted, weighted average exercise price (in dollars per share)	$ 10.53
Options, exercised (in shares)	(7,385)
Options, exercised, weighted average exercise price (in dollars per share)
Options, forfeited (in shares)	(9,579)
Options, forfeited, weighted average exercise price (in dollars per share)	$ 1.74
Options, outstanding (in shares)	4,145,220		720,619
Options, outstanding, weighted average exercise price (in dollars per share)	$ 9.06		$ 2.1
Options, exercisable (in shares)	355,696
Options, exercisable, weighted average exercise price (in dollars per share)	$ 1.99
Options, exercisable, contractual term (Year)	4 years 2 months 12 days
Options, unexercisable (in shares)	3,789,524
Options, unexercisable, weighted average exercise price (in dollars per share)	$ 9.72
Options, unexercisable, contractual term (Year)	9 years 10 months 24 days
Restricted Stock Units (RSUs) [Member]
Non-options, outstanding (in shares)	1,080,953
Non-options, outstanding, contractual term (Year)	1 year 1 month 6 days		7 months 6 days
Non-options, granted (in shares)	564,031
Non-options, exercised (in shares)	(184,279)
Non-options, forfeited (in shares)	0
Non-options, outstanding (in shares)	1,460,705		1,080,953
Non-options, exercisable (in shares)	776,804
Non-options, unexercisable (in shares)	683,901
Non-options, unexercisable, contractual term (Year)	2 years 4 months 24 days
Restricted Stock [Member]
Non-options, outstanding (in shares)	121,912
Non-options, outstanding, contractual term (Year)	1 year 4 months 24 days		1 year 2 months 12 days
Non-options, granted (in shares)	56,158
Non-options, exercised (in shares)	(123,522)
Non-options, forfeited (in shares)	0
Non-options, outstanding (in shares)	54,548		121,912
Non-options, exercisable (in shares)	0
Non-options, unexercisable (in shares)	54,548
Non-options, unexercisable, contractual term (Year)	1 year 4 months 24 days

Number of fully vested and expected to vest exercisable non-options that may be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

No definition available.