Income Taxes (Tables)

12 Months Ended

Mar. 31, 2018

Income Tax Disclosure [Abstract]

Schedule of Income (Loss) Before Income Taxes

Loss before income taxes for the fiscal years ended March 31, 2018, 2017, and 2016 are provided in the table as follows (in thousands):

	Fiscal years ended March 31,
	2018			2017			2016
Loss before income tax expense:
U.S.	$	(100,341	)	$	(31,664	)	$	(29,436	)
Foreign	67,404			5,433			8,688
Total	$	(32,937	)	$	(26,231	)	$	(20,748	)

Schedule of Components of Income Tax Expense (Benefit) Attributable to Continuing Operations

The components of income tax expense (benefit) attributable to continuing operations consist of the following (in thousands):

	Fiscal years ended March 31,
	2018			2017			2016
Current
Federal	$	374		$	765		$	459
State	—			—			—
Foreign	592			619			1,950
Total current	966			1,384			2,409
Deferred
Federal	(1,086		)	60			(18		)
State	—			—			—
Foreign	(41		)	(302		)	—
Total deferred	(1,127		)	(242		)	(18		)
Income tax (benefit) expense	$	(161	)	$	1,142		$	2,391

Schedule of Reconciliation of Statutory Federal Income Tax Rate to Effective Income Tax Rate

The reconciliation between the statutory federal income tax rate and the Company’s effective income tax rate is shown below.

	Fiscal years ended March 31,
	2018		2017		2016
Statutory federal income tax rate	(31	)%	(34	)%	(34	)%
Federal rate change	351		—		—
State income taxes, net of federal benefit	(3	)	—		1
Deemed dividend and dividends paid	7		20		5
Foreign income tax rate differential	(62	)	(1	)	5
Stock options	—		—		1
Research and development tax credit	(1	)	(2	)	(5	)
Deferred warrants	(1	)	(2	)	—
Reversal of uncertain tax benefits	(3	)	—		—
True-up of NOLs	11		(40	)	19
Settlement of intercompany balances	—		—		(9	)
Nondeductible foreign currency exchange remeasurement loss	—		—		10
Valuation allowance	(268	)	63		18
Effective income tax rate	—	%	4	%	11	%

Schedule of Deferred Tax Assets and Liabilities

The following is a summary of the principal components of the Company’s deferred tax assets and liabilities (in thousands):

	March 31, 2018			March 31, 2017
Deferred tax assets:
Net operating loss carryforwards	$	210,194		$	297,961
Research and development and other tax credit carryforwards	12,828			11,965
Accruals and reserves	22,406			26,222
Fixed assets and intangible assets	1,568			2,250
Other	12,996			12,454
Gross deferred tax assets	259,992			350,852
Valuation allowance	(227,686		)	(315,092		)
Total deferred tax assets	32,306			35,760
Deferred tax liabilities:
Intercompany debt	(29,130		)	(25,841		)
Other	(2,744		)	(9,637		)
Total deferred tax liabilities	(31,874		)	(35,478		)
Net deferred tax asset	$	432		$	282