Equity Incentive Plans (Tables)

12 Months Ended

Jun. 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, 2021	109,588	$	14.52	8.07
Forfeited/Cancelled	(15,569)		7.98
Expired	(13,642)		9.65
Outstanding at June 30, 2022	80,377	$	16.61	7.77
Exercisable at June 30, 2022	54,649	$	20.58	7.77

Stock options outstanding

					Weighted
					Average
					Remaining
			Weighted		Contractual
Range of		Number of	Average		Life of	Number of	Weighted
Exercise		Options	Exercise		Options	Options	Average
Prices		Outstanding	Price		Outstanding	Exercisable	Exercise Price
$	6.2 - 9.70	38,998	$	6.44	7.65	19,882	$	6.50
$	9.80 - 14.70	41,225	$	14.13	7.90	34,613	$	14.28
$	2,800.00 - 4,200.00	154	$	3,255.06	3.80	154	$	3,255.06
		80,377	$	16.61	7.77	54,649	$	20.58

Restricted stock activity

		Weighted
		Average Grant
	Number of	Date Fair
	Shares	Value
Unvested at June 30, 2021	1,955,268	$	7.83
Granted	295,000		3.67
Vested	(642,696)		6.81
Unvested at June 30, 2022	1,607,572	$	7.47

Restricted stock units activity

		Weighted
		Average Grant
	Number of	Date Fair
	Shares	Value
Unvested at June 30, 2021	78,318	$	7.20
Granted	170,000		1.29
Vested	(15,396)		6.20
Forfeited	(62,922)		7.44
Unvested at June 30, 2022	170,000	$	1.29

Stock-based compensation expense

	Year Ended
	June 30,
	2022		2021
	(In thousands)
Cost of sales	$	31	$	16
Research and development		536		68
Selling and marketing		24		27
General and Administrative		4,657		3,463
Total stock-based compensation expense	$	5,248	$	3,574