INCOME TAXES (Tables)

12 Months Ended

Mar. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of pre-tax income (loss)

Pre-tax loss reflected in the Consolidated Statements of Operations is as follows (in thousands):

	For the year ended March 31,
	2019			2018			2017 (As Restated)
U.S.	$	(40,935	)	$	(46,923	)	$	(3,794	)
Foreign		514			464			3,042
Total	$	(40,421	)	$	(46,459	)	$	(752	)

Schedule of income tax provision

The Company’s provision for income tax consists of the following (in thousands):

	For the year ended March 31,
	2019			2018			2017 (As Restated)
Current tax expense
Federal	$	(217	)	$	(3,484	)	$	(385	)
State		31			26			37
Foreign		1,103			206			1,826
Total current		917			(3,252	)		1,478
Deferred expense
State		32			32			37
Foreign		1,427			107			141
Total deferred		1,459			139			178
Income tax expense (benefit)	$	2,376		$	(3,113	)	$	1,656

Schedule of federal income tax rate reconciliation

The income tax provision differs from the amount computed by applying the federal statutory rate of 21% for 2019, 31.5% for 2018, and 35% for 2017 to income (loss) before income taxes as follows (in thousands):

	For the year ended March 31,
	2019			2018			2017 (As Restated)
Benefit at the federal statutory rate	$	(8,488	)	$	(14,634	)	$	(263	)
Equity compensation		905			1,024			2,472
Permanent items		359			564			640
Foreign taxes		(2,133	)		1,336			(159	)
State income taxes		(997	)		(830	)		(88	)
Valuation allowance		10,913			(42,784	)		(2,745	)
Uncertain tax positions		(9,278	)		(336	)		1,347
Tax reform		(207	)		52,682			—
Credit monetization		—			(323	)		(120	)
Expiration of attributes		12,268			410			1,880
Other		(966	)		(222	)		(1,308	)
Income tax expense (benefit)	$	2,376		$	(3,113	)	$	1,656

Schedule of components of deferred tax assets and liabilities

Significant components of deferred tax assets and liabilities are as follows (in thousands):

	As of March 31,
	2019			2018			2017 (Restated)
Deferred tax assets
Inventory valuation method	$	882		$	1,364		$	2,006
Accrued warranty expense		814			571			1,370
Distribution reserves		2,137			2,119			3,028
Loss carryforwards		93,308			62,369			55,784
Tax credits		20,346			20,082			20,767
Restructuring charge accruals		678			1,371			2,333
Deferred revenue		13,094			32,936			50,319
Acquired intangibles		2,822			4,776			10,752
Depreciation		—			—			1,226
Other accruals and reserves not currently deductible for tax purposes		7,051			7,146			12,003
		141,132			132,734			159,588
Less valuation allowance		(140,359	)		(130,048	)		(154,296	)
Deferred tax assets		773			2,686			5,292
Deferred tax liabilities
Depreciation		(450	)		(638	)		—
Tax on unremitted foreign earnings		—			—			(1,332	)
Other		(524	)		(735	)		(2,552	)
Deferred tax liabilities		(974	)		(1,373	)		(3,884	)
Net deferred tax asset	$	(201	)	$	1,313		$	1,408

Reconciliation of gross unrecognized tax benefits

A reconciliation of the gross unrecognized tax benefits follows (in thousands):

	For the year ended March 31,
	2019			2018			2017 (As Restated)
Beginning balance	$	150,559		$	170,730		$	171,374
Increase in balances related to tax positions in current period		1,718			3,298			2,789
Decrease in balances related to tax positions in prior period		(25,095	)		(20,692	)		(1,350	)
Decrease in balances due to lapse of statute of limitations		(11,150	)		(810	)		(1,672	)
Settlement and effective settlements with tax authorities and related remeasurements		—			(1,992	)		(411	)
Increase in balances related to tax positions in prior period		—			25			—
Ending balance	$	116,032		$	150,599		$	170,730