Note 12 - Equity Compensation - Stock Options (Details) - USD ($)	12 Months Ended
	Jun. 30, 2026	Jun. 30, 2025
Outstanding, shares (in shares)	1,559,566
Outstanding, weighted average exercise price (in dollars per share)	$ 6.56
Outstanding, weighted average remaining contractual term (Year)	4 years 6 months	4 years 6 months
Outstanding, aggregate intrinsic value	$ 11,644,947	$ 16,294,427
Granted, shares (in shares)	0
Granted, weighted average exercise price (in dollars per share)	$ 0
Exercised, shares (in shares)	(890,225)
Exercised, weighted average exercise price (in dollars per share)	$ 5
Forfeited, shares (in shares)	(30,000)
Forfeited, weighted average exercise price (in dollars per share)	$ 14.6
Expired, shares (in shares)	0
Expired, weighted average exercise price (in dollars per share)	$ 0
Outstanding, shares (in shares)	639,341	1,559,566
Outstanding, weighted average exercise price (in dollars per share)	$ 8.37	$ 6.56
Exercisable, shares (in shares)	469,341
Exercisable, weighted average exercise price (in dollars per share)	$ 6.13
Exercisable, weighted average remaining contractual term (Year)	3 years 4 months 24 days
Exercisable, aggregate intrinsic value	$ 9,598,347
Vested and expected to vest at June 30, 2026 (in shares)	631,786
Vested and expected to vest, weighted average exercise price (in dollars per share)	$ 8.29
Vested and expected to vest, weighted average remaining contractual term (Year)	4 years 6 months
Vested and expected to vest, aggregate intrinsic value	$ 11,553,631