Note 15 - Equity Incentive Plans (Tables)

3 Months Ended

Sep. 30, 2024

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
Forfeited/cancelled		(5,100	)	$	4.18		—
Outstanding at September 30, 2024		141,439		$	6.25		8.6
Exercisable at September 30, 2024		63,059		$	11.32		8.4

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
Vested		(5,924	)	$	16.84
Unvested at September 30, 2024		18,181		$	127.54

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		(564	)	$	24.29
Unvested at September 30, 2024		1,211		$	24.07

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

	Three Months Ended
	September 30,
	2024		2023
	(in thousands)
Cost of sales	$	1	$	—
Research and development		2		1
Selling and marketing		32		—
General and administrative		138		724
Net income (loss) from discontinued operations, net of tax		—		205
Total stock-based compensation expense	$	173	$	930