Income Taxes (Tables)

12 Months Ended

Jun. 30, 2019

Income Tax Disclosure [Abstract]

Components of Loss before Provision for (Benefit from) Income Taxes

The components of loss before the provision for (benefit from) income taxes were as follows (in thousands):

	Year ended June 30,
	2018			2019
Domestic	$	(7,185	)	$	(7,470	)
Foreign		-			-
Total	$	(7,185	)	$	(7,470	)

Components of Provision for (Benefit from) Income Taxes

The components of provision for (benefit from) income taxes were as follows (in thousands):

	Year ended June 30,
	2018		2019
Current:
Federal	$	-	$	-
State		10		20
Foreign				-
Total current		10		20
Deferred:
Federal		-		(142	)
State		-		(34	)
Foreign		-		-
Total deferred		-		(176	)
Provision for (benefit from) income taxes	$	10	$	(156	)

Difference between Income Taxes Computed At Federal Statutory Rate and Provision for (Benefit from) Income Taxes

The items accounting for the difference between the income taxes computed at the federal statutory rate and the provision for (benefit from) income taxes consisted of the following (in thousands):

	Year ended June 30,
	2018			2019
Expected benefit at U.S. Federal statutory rate	$	(1,976	)	$	(1,569	)
Stock-based compensation		297			390
Federal and state R&D credits		(909	)		(2,111	)
Deferred tax asset re-measurement due to Tax Reform		12,227			-
Change in valuation allowance		(9,753	)		3,029
Other		124			105
Provision for income tax expense (benefit)	$	10		$	(156	)

Components of Deferred Tax Assets and Liabilities

The components of deferred tax assets and liabilities were as follows as of June 30, 2018 and 2019, (in thousands):

	June 30,
	2018			2019
Deferred tax assets:
Accruals and reserves	$	916		$	1,631
Deferred revenue		33			84
Property and equipment		73			-
Stock-based compensation		285			700
Net operating loss carryforwards		26,027			26,690
Research and development credits		3,056			5,649
Total deferred tax assets before valuation allowance		30,390			34,754
Valuation allowance		(29,590	)		(33,253	)
Deferred tax assets	$	800		$	1,501
Deferred tax liabilities:
Deferred contract costs	$	(800	)	$	(1,229	)
Property and equipment		-			(143	)
Other		-			(129	)
Total deferred tax liabilities	$	(800	)	$	(1,501	)
Net deferred tax assets (liabilities)	$	-		$	-

Reconciliation of Unrecognized Tax Benefits

Below is the reconciliation of the unrecognized tax benefits (in thousands):

	June 30,
	2018		2019
Balance at the beginning of the year	$	835	$	1,457
Additions based upon tax positions related to the current year		-		1,028
Additions based upon tax positions related to the prior year		622		207
Balance at the end of the year	$	1,457	$	2,692