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Note 15 - Equity Incentive Plans (Tables)

6 Months Ended

Dec. 31, 2023

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 June 30, 2023			52,762			$	18.37				9.06
Granted			112,000			$	1.73				9.61
Forfeited/cancelled			(15,060	)		$	2.94				—
Expired			(615	)		$	184.80				—
Outstanding at December 31, 2023			149,087			$	6.43				9.17
Exercisable at December 31, 2023			20,470			$	30.18				8.02

Nonvested Restricted Stock Shares Activity [Table Text Block]

						Weighted
						Average Grant
		Number of				Date Fair
		Shares				Value
Unvested at June 30, 2023			38,075			$	142.20
Granted			12,500			$	1.77
Vested			(12,189	)		$	130.45
Forfeited/cancelled			(457	)		$	136.80
Unvested at December 31, 2023			37,929			$	99.75

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

						Weighted
						Average Grant
		Number of				Date Fair
		Shares				Value
Unvested at June 30, 2023			4,963			$	25.62
Vested			(1,126	)		$	24.28
Forfeited			(939	)		$	31.60
Unvested at December 31, 2023			2,898			$	24.19

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

		Three Months Ended								Six Months Ended
		December 31,								December 31,
		2023				2022				2023				2022
		(in thousands)
Cost of sales		$	1			$	3			$	1			$	8
Research and development			2				14				3				23
Selling and marketing			—				3				—				6
General and administrative			817				3,047				1,746				4,207
Total stock-based compensation expense		$	820			$	3,067			$	1,750			$	4,244

X

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

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