Note 11 - Stock-based Compensation (Tables)

9 Months Ended

Mar. 31, 2024

Notes Tables

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

	Shares			Weighted Average Exercise Price
Outstanding at June 30, 2023		38,166		$	27.34
Granted		120,440			10.12
Exercised		—			—
Canceled or expired		(10,440	)		10.80
Outstanding at March 31, 2024		148,166		$	14.51

Share-Based Payment Arrangement, Option, Exercise Price Range [Table Text Block]

Range of exercise prices		Number Outstanding		Options Outstanding Weighted-Average Remaining Contractual Life (Years)		Weighted-Average Exercise Price		Number Exercisable		Options Exercisable Weighted-Average Exercise Price
$	7.47 - 19.20		145,541		9.15	$	12.03		11,534	$	18.12
$	55.50 - 84.90		418		4.62		61.52		418		61.52
$	159.00 - 175.50		2,207		3.11		168.97		2,207		168.97
$	7.47 - 175.50		148,166		9.05	$	14.51		14,159	$	42.91

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

	Shares		Weighted Average Grant Date Fair Value
Outstanding at June 30, 2023	50,671		$	33.43
Granted	20,000			10.10
Vested	(18,010	)		58.66
Canceled or expired	-			0.00
Outstanding at March 31, 2024	52,661		$	15.94