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Income Taxes (Tables)

12 Months Ended

Mar. 31, 2017

Income Tax Disclosure [Abstract]

Schedule of Income (Loss) Before Income Taxes

Loss before income taxes for the fiscal years ended March 31, 2017, 2016, and 2015 are provided in the table as follows (in thousands):

	Fiscal years ended March 31,
	2017				2016				2015
Loss before income tax expense:
U.S.	$	(31,664	)		$	(29,436	)		$	(40,277	)
Foreign	5,433				8,688				(8,563		)
Total	$	(26,231	)		$	(20,748	)		$	(48,840	)

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,
	2017				2016				2015
Current
Federal	$	765			$	459			$	47
State	—				—				—
Foreign	619				1,950				(274		)
Total current	1,384				2,409				(227		)
Deferred
Federal	60				(18		)		43
State	—				—				—
Foreign	(302		)		—				—
Total deferred	(242		)		(18		)		43
Income tax (benefit) expense	$	1,142			$	2,391			$	(184	)

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,
	2017			2016			2015
Statutory federal income tax rate	(34	)%		(34	)%		(34	)%
State income taxes, net of federal benefit	—			1			2
Deemed dividend and dividends paid	20			5			1
Foreign income tax rate differential	(1	)		5			6
Stock options	—			1			1
Nondeductible expenses	—			—			1
Research and development tax credit	(2	)		(5	)		—
Deferred warrants	(2	)		—			(3	)
Reversal of uncertain tax benefits	—			—			(6	)
True-up of NOLs	(40	)		19			—
Settlement of intercompany balances	—			(9	)		—
Nondeductible foreign currency exchange remeasurement loss	—			10			—
Valuation allowance	63			18			32
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, 2017				March 31, 2016
Deferred tax assets:
Net operating loss carryforwards	$	297,961			$	281,098
Research and development and other tax credit carryforwards	11,965				11,878
Accruals and reserves	26,222				28,088
Fixed assets and intangible assets	2,250				2,393
Other	12,454				14,494
Gross deferred tax assets	350,852				337,951
Valuation allowance	(315,092		)		(301,393		)
Total deferred tax assets	35,760				36,558
Deferred tax liabilities:
Intercompany debt	(25,841		)		(27,117		)
Other	(9,637		)		(9,408		)
Total deferred tax liabilities	(35,478		)		(36,525		)
Net deferred tax asset	$	282			$	33

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32639-109319

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32537-109319

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=65882285&loc=d3e32687-109319

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
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