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Note 15 - Equity Incentive Plans (Tables)

9 Months Ended

Mar. 31, 2025

Notes Tables

Share-Based Payment Arrangement, Option, Activity [Table Text Block]

										Weighted
										Average
						Weighted				Remaining
		Number of				Average				Contractual
		Options				Exercise Price				Life in Years
Outstanding at June 30, 2024			146,539			$	6.18				8.8
Granted			87,500			$	1.83				9.6
Forfeited/cancelled			(11,906	)		$	1.84				—
Expired			(2,889	)		$	17.21				—
Outstanding at March 31, 2025			219,244			$	4.53				8.3
Exercisable at March 31, 2025			93,425			$	8.05				8.0

Nonvested Restricted Stock Shares Activity [Table Text Block]

						Weighted
						Average Grant
		Number of				Date Fair
		Shares				Value
Unvested at June 30, 2024			24,105			$	100.34
Granted			20,000			$	1.79
Vested			(9,577	)		$	15.97
Unvested at March 31, 2025			34,528			$	66.66

Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]

						Weighted
						Average Grant
		Number of				Date Fair
		Shares				Value
Unvested at June 30, 2024			1,775			$	24.14
Vested			(1,524	)		$	24.47
Forfeited			(167	)		$	26.20
Unvested at March 31, 2025			84			$	21.20

Share-Based Payment Arrangement, Cost by Plan [Table Text Block]

		Three Months Ended								Nine Months Ended
		March 31,								March 31,
		2025				2024				2025				2024
		(in thousands)
Cost of sales		$	—			$	—			$	1			$	1
Research and development			8				2				11				5
Selling and marketing			11				—				57				—
General and administrative			120				697				394				2,125
Net income (loss) from discontinued operations, net of tax			—				112				—				430
Total stock-based compensation expense		$	139			$	811			$	463			$	2,561

X

- Definition

Tabular disclosure of the changes in outstanding nonvested restricted stock shares.

+ References

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