8. Stockholders' Equity (Tables)

3 Months Ended

Sep. 30, 2019

Stock Options [Member]

Summary of stock option activity

				Weighted-
				Average
	Number of			Exercise Price
	Shares			per Share
	(In thousands)
Balance of options outstanding at June 30, 2019		3,147		$	2.29
Granted		3			3.36
Forfeited		(8	)		2.75
Exercised		(218	)		1.85
Balance of options outstanding at September 30, 2019		2,924		$	2.32

Schedule of share-based compensation expense by functional line item

	Three Months Ended September 30,
	2019		2018
	(In thousands)
Cost of revenue	$	24	$	17
Selling, general and administrative		459		400
Research and development		95		61
Total share-based compensation expense	$	578	$	478

Schedule of unrecognized share-based compensation expense

	Remaining		Remaining
	Unrecognized		Weighted-
	Compensation		Average Years
	Expense		To Recognize
	(In thousands)
Stock options	$	1,805		2.7
RSUs	$	3,515		3.4
Stock purchase rights under ESPP	$	23		0.1
	$	5,343

Restricted Stock Units (RSUs) [Member]

Summary of other-than-option activity

				Weighted-
				Average
				Grant Date
	Number of			Fair Value
	Shares			per Share
		(In thousands)
Balance of RSUs outstanding at June 30, 2019		866		$	4.24
Granted		217			3.34
Vested		(120	)		5.06
Forfeited		(1	)		5.32
Balance of RSUs outstanding at September 30, 2019		962		$	3.93

ESPP [Member]

Summary of other-than-option activity

	Number of
	Shares
	(In thousands)
Shares available for issuance at June 30, 2019		517
Shares issued		–
Shares available for issuance at September 30, 2019		517