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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		3,899	​	$	209.70		7.77
Forfeited/Cancelled		(74)	​	​	126.84
Expired		(26)	​	​	157.84
Outstanding at September 30, 2022		3,799	​	$	211.67		7.44
​	​	​	​	​	​	​	​
Exercisable at September 30, 2022		2,666	​	$	231.99		7.41

​

​

Restricted stock activity

​

​	​	​	​	​	​
​	​	​	​	Weighted
​	​	​	​	Average Grant
​	​	Number of	​	Date Fair
​	​	Shares	​	Value
Unvested at June 30, 2022		80,373	​	$	148.91
Granted		325	​	​	13.40
Vested		(10,545)	​	​	115.60
Forfeited/Cancelled	​	(1,993)	​	​	149.48
Unvested at September 30, 2022		68,160	​	$	153.40

​

​

Restricted stock units activity

​

​	​	​	​	​	​
​				​	​
​	​	​	​	Weighted
​	​	​	​	Average Grant
​	​	Number of	​	Date Fair
​	​	Shares	​	Value
Unvested at June 30, 2022		8,500	​	$	25.88
Granted	​	—	​	​	—
Vested		—	​	​	—
Forfeited	​	—	​	​	—
Unvested at September 30, 2022		8,500	​	$	25.88

​

​

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	​

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

+ References

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Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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