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STOCKHOLDERS' EQUITY (Narrative) (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
	Jun. 07, 2018	Nov. 30, 2019	Nov. 30, 2018	Nov. 30, 2019	Nov. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Issuance of common stock under ESPP	1,750,000
Stock-based compensation expense		$ 3,652	$ 2,941	$ 9,378	$ 8,088
Unrecognized share-based compensation cost		31,000		$ 31,000
Unrecognized compensation cost, recognition period				3 years 4 months 24 days
Employee Stock Purchase Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock-based compensation expense		$ 200		$ 400