Equity Incentive Plans (Tables)

3 Months Ended

Sep. 30, 2022

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	80,377	$	16.61	7.77
Forfeited/Cancelled	(1,600)		6.34
Expired	(541)		7.89
Outstanding at September 30, 2022	78,236	$	16.88	7.42
Exercisable at September 30, 2022	54,856	$	20.61	7.38

Restricted stock activity

		Weighted
		Average Grant
	Number of	Date Fair
	Shares	Value
Unvested at June 30, 2022	1,607,572	$	7.47
Granted	6,500		0.67
Vested	(210,916)		5.78
Forfeited/Cancelled	(39,832)		7.47
Unvested at September 30, 2022	1,363,324	$	7.70

Restricted stock units activity

		Weighted
		Average Grant
	Number of	Date Fair
	Shares	Value
Unvested at June 30, 2022	170,000	$	1.29
Granted	—		—
Vested	—		—
Forfeited	—		—
Unvested at September 30, 2022	170,000	$	1.29

Stock-based compensation expense

	Three Months Ended
	September 30,
	2022		2021
		(in thousands)
Cost of sales	$	5	$	9
Research and development		9		319
Selling and marketing		3		9
General and Administrative		1,160		1,182
Total stock-based compensation expense	$	1,177	$	1,519