Equity Incentive Plans (Tables)

9 Months Ended

Mar. 31, 2023

Share-Based Payment Arrangement [Abstract]

Stock option activity

				Weighted
				Average
		Weighted		Remaining
	Number of	Average		Contractual
	Options	Exercise Price		Life in Years
Outstanding June 30, 2022	3,899	$	209.70	7.77
Granted	49,212		4.00
Forfeited/Cancelled	(152)		126.84
Expired	(175)		131.45
Outstanding at March 31, 2023	52,784	$	18.42	9.31
Exercisable at March 31, 2023	2,920	$	227.28	6.44

Restricted stock activity

		Weighted
		Average Grant
	Number of	Date Fair
	Shares	Value
Unvested at June 30, 2022	80,373	$	148.91
Granted	6,825		3.79
Vested	(36,695)		135.41
Forfeited/Cancelled	(6,689)		135.66
Unvested at March 31, 2023	43,814	$	139.63

Restricted stock units activity

		Weighted
		Average Grant
	Number of	Date Fair
	Shares	Value
Unvested at June 30, 2022	8,500	$	25.88
Vested	(2,580)		26.85
Unvested at March 31, 2023	5,920	$	25.42

Stock-based compensation expense

	Three Months Ended				Nine Months Ended
	March 31,				March 31,
	2023		2022		2023		2022
	(in thousands)
Cost of sales	$	4	$	7	$	12	$	24
Research and development		2		73		25		467
Selling and marketing		3		23		9		51
General and administrative		893		1,167		5,100		3,476
Total stock-based compensation expense	$	902	$	1,270	$	5,146	$	4,018