INCOME TAXES (Reconciliation of Income Tax Benefit (Provision)) (Details) - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 29, 2020
Income Tax Disclosure [Abstract]
Income tax benefit (provision) at U.S. statutory federal rate	$ 6,313	$ 4,325	$ 6,420
State income tax benefit, net of federal income tax effect	730	602	117
Foreign taxes benefit (provision) exclusive of valuation allowance change	(1,385)	900	(50)
U.S. taxes on foreign income		(306)	(571)
Valuation allowance increases	(7,672)	(5,825)	(27,726)
Research and other tax credits	1,544	1,322	2,594
Tax benefits on vested and exercised equity awards	(112)	(851)	(606)
Non-deductible expenses	(791)	(655)	(697)
Other, net	286	(73)	65
Income tax provision	$ (1,087)	$ (561)	$ (20,454)