CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - 3 months ended May 31, 2018 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]
Balances at Feb. 28, 2018	$ 198,916	$ 357	$ 218,217	$ (19,459)	$ (199)
Balances (in shares) at Feb. 28, 2018		35,718
Net income (loss)	8,511			8,511
Cumulative adjustment upon adoption | ASU 2016-01 [Member]				434	(434)
Cumulative adjustment upon adoption | ASC 606 [Member]	(1,595)			(1,595)
Stock-based compensation expense	2,467		2,467
Shares issued on net share settlement of equity awards	(233)		(233)
Shares issued on net share settlement of equity awards (in shares)		21
Exercise of stock options	$ 68		68
Exercise of stock options (in shares)	38	38
Other comprehensive income, net of tax	$ 17				17
Repurchases of common stock	$ (5,710)	$ (2)	(5,708)
Repurchase of common stock (in shares)	(300)	(270)
Balances at May. 31, 2018	$ 202,441	$ 355	$ 214,811	$ (12,109)	$ (616)
Balances (in shares) at May. 31, 2018		35,507