INCOME TAXES (Tables)

12 Months Ended

Mar. 31, 2019

Schedule of Components of Income Tax Expense (Benefit)

The components of the consolidated provision (benefit) for income taxes for fiscal 2019, 2018 and 2017 consisted of the following (in thousands):



	March 31,
Current:	2019		2018			2017
Federal	$	—	$	(395	)	$	(7	)
State	291		256			588
Foreign	278		185			112
Total current tax provision	569		46			693
Deferred
Federal	—		59,837			1,506
State	—		6,664			(1,095		)
Foreign	—		(253		)	(1,230		)
Total deferred tax provision (benefit)	—		66,248			(819		)
Income tax provision (benefit)	$	569	$	66,294		$	(126	)

Schedule of Deferred Tax Assets and Liabilities

Deferred tax assets and (liabilities) were comprised of the following (in thousands):



	March 31,
	2019			2018
Deferred tax assets
Net operating loss carryforwards	$	61,740		$	40,465
Research and development and other credit carryforwards	15,573			11,761
Stock-based compensation	9,006			6,389
Reserves and allowances	5,697			3,181
Fixed assets and intangibles	2,709			378
Gross deferred tax assets	94,725			62,174
Valuation allowance	(65,948		)	(62,174		)
Total deferred tax assets	28,777			$	—
Deferred tax liabilities
Deferred sales commissions	(12,221		)	—
Convertible debt	(16,556		)	—
Net deferred taxes	$	—		$	—

Schedule of Effective Income Tax Rate Reconciliation

A reconciliation of the Company's provision (benefit) for income taxes to the amounts computed using the statutory U.S. federal income tax rate is as follows (in thousands):



	Years Ended March 31,
	2019			2018			2017
Tax benefit at statutory rate	$	(18,441	)	$	(11,790	)	$	(1,652	)
State income taxes before valuation allowance, net of federal effect	(3,612		)	(1,042		)	108
Foreign tax rate differential	71			(1,188		)	885
Research and development credits	(3,744		)	(2,189		)	(1,484		)
Change in valuation allowance	30,558			56,663			(287		)
Compensation/option differences	(7,277		)	(4,965		)	(246		)
Non-deductible compensation	1,200			1,132			1,079
Tax Act rate change impact	—			22,630			—
Acquisition costs	—			—			54
Foreign loss not benefited	159			6,847			780
Other	1,655			196			637
Total income tax provision (benefit)	$	569		$	66,294		$	(126	)

Summary of Income Tax Contingencies

A reconciliation of the beginning and ending amount of unrecognized tax benefits is as follows (in thousands):



	Unrecognized Tax Benefits
	2019		2018		2017
Balance at beginning of year	$	3,980	$	3,331	$	2,881
Gross increases - tax position in prior period	17		—		—
Gross increases - tax position related to the current year	1,036		649		450
Balance at end of year	$	5,033	$	3,980	$	3,331