INCOME TAXES (Tables)

12 Months Ended

Feb. 28, 2017

Income Tax Disclosure [Abstract]

Schedule of Income Before Income Taxes

The Company's income (loss) before income taxes and equity in net loss of affiliate consists of the following (in thousands):

	Year Ended February 28,
	2017			2016			2015
Domestic	$	(11,910	)	$	22,461		$	24,684
Foreign		3,727			(120	)		116
Total income (loss) before income taxes and
equity in net loss of affiliate	$	(8,183	)	$	22,341		$	24,800

Schedule of Income Tax Benefit (Provision)

The income tax benefit (provision) consists of the following (in thousands):

	Year Ended February 28,
	2017			2016			2015
Current:
Federal	$	-		$	(182	)	$	-
State		(137	)		(208	)		(325	)
Foreign		(1,035	)		(60	)		(49	)
Total current		(1,172	)		(450	)		(374	)
Deferred:
Federal		1,712			(4,331	)		(8,134	)
State		539			209			216
Foreign		484			-			-
Total deferred		2,735			(4,122	)		(7,918	)
Income tax benefit (provision)	$	1,563		$	(4,572	)	$	(8,292	)

Reconciliation of Effective Income Tax Benefit (Provision)

Differences between the income tax benefit (provision) reported in the consolidated statements of comprehensive income (loss) and the income tax amount computed using the statutory U.S. federal income tax rate are as follows (in thousands):

	Year Ended February 28,
	2017			2016			2015
Income tax benefit (provision) at U.S. statutory federal rate of 35%	$	2,864		$	(7,819	)	$	(8,680	)
State income tax provision, net of federal income tax effect		182			(833	)		(867	)
Foreign taxes		68			(102	)		41
Valuation allowance reductions (increases)		(1,391	)		2,541			250
Research and development tax credits		806			1,008			1,556
Other, net		(966	)		633			(592	)
Total income tax benefit (provision)	$	1,563		$	(4,572	)	$	(8,292	)

Schedule of Net Deferred Tax Income Assets

The components of net deferred income tax assets for U.S. income tax purposes are as follows (in thousands):

	February 28,
	2017			2016
Net operating loss carryforwards	$	23,751		$	10,660
Depreciation, amortization and impairments		(21,959	)		1,598
Research and development credits		12,307			9,747
Stock-based compensation		2,855			2,383
Other tax credits		3,650			917
Inventory reserve		903			502
Warranty reserve		670			752
Payroll and employee benefit accruals		3,012			2,421
Allowance for doubtful accounts		961			241
Other accrued liabilities		6,738			2,694
Other, net		1,203			(84	)
Gross deferred tax assets		34,091			31,831
Valuation allowance		(6,587	)		(1,618	)
Net deferred tax assets	$	27,504		$	30,213

Reconciliation of Unrecognized Tax Benefits

Activity in the amount of unrecognized tax benefits for uncertain tax positions during the past three years is as follows (in thousands):

Balance at February 28, 2014	$	1,029
Change in fiscal 2015		-
Balance at February 28, 2015		1,029
Change in fiscal 2016		-
Balance at February 28, 2016		1,029
Change in fiscal 2017		-
Balance at February 28, 2017	$	1,029