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Equity Incentive Plan (Tables)

3 Months Ended

Sep. 30, 2021

Equity Incentive Plan

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		(6,077)	​	​	6.33
Expired		(7,645)	​	​	8.53
Outstanding at September 30, 2021		95,866	​	$	15.52		8.40
​	​	​	​	​	​	​	​
Exercisable at September 30, 2021		47,953	​	$	22.73		8.28

Restricted stock activity

​

​	​	​	​	​	​
​	​	​	​	Weighted
​	​	​	​	Average Grant
​	​	Number of	​	Date Fair
​	​	Shares	​	Value
Unvested at June 30, 2021		1,955,268	​	$	7.83
Granted		220,000	​	​	4.02
Vested		(69,590)	​	​	6.93
Unvested at September 30, 2021		2,105,678	​	$	7.46

Restricted stock units activity

​

​	​	​	​	​	​
​				​	​
​	​	​	​	Weighted
​	​	​	​	Average Grant
​	​	Number of	​	Date Fair
​	​	Shares	​	Value
Unvested at June 30, 2021		78,318	​	$	7.20
Forfeited	​	(1,156)	​	​	6.12
Unvested at September 30, 2021		77,162	​	$	7.21

Stock-based compensation expense

​

​	​	​	​	​	​	​
​	​	Three Months Ended
​	​	September 30,
​	​	2021			2020
​	​	(In thousands)
Cost of sales	​	$	9	​	$	—
Research and development	​	​	319	​	​	—
Selling and marketing	​	​	9	​	​	—
General and Administrative	​		1,182	​		455
Total stock-based compensation expense	​	$	1,519	​	$	455

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

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