CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Feb. 28, 2014	Feb. 28, 2013	Feb. 28, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 11,803	$ 44,626	$ 5,218
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	8,105	2,764	2,447
Stock-based compensation expense	2,924	2,910	2,375
Amortization of debt issue costs and discount	339	397	747
Write-off of currency translation account of foreign subsidiary			801
Deferred tax assets, net	5,935	(29,231)
Other		14	19
Changes in operating assets and liabilities:
Accounts receivable	(11,401)	(4,728)	2,431
Inventories	(1,301)	(3,459)	(167)
Prepaid expenses and other assets	(594)	(887)	991
Accounts payable	7,522	2,348	(4,580)
Accrued liabilities	(1,449)	1,738	1,641
Deferred revenue	933	105	509
NET CASH PROVIDED BY OPERATING ACTIVITIES	22,816	16,597	12,432
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of marketable securities	(9,018)
Capital expenditures	(2,133)	(1,852)	(1,076)
Acquisitions net of cash acquired	(52,954)	(1,000)
Collections on note receivable		462	566
Other	(71)	(8)
NET CASH USED IN INVESTING ACTIVITIES	(64,176)	(2,398)	(510)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net proceeds from public sale of common stock		44,784
Repayments of bank line of credit			(7,489)
Net proceeds (repayments) of bank term loan	(1,800)	(1,200)	3,000
Payment of acquisition-related note and contingent consideration	(1,579)	(535)
Repayment of subordinated promissory notes			(5,000)
Payment of debt issue costs			(65)
Taxes paid related to net share settlement of vested equity awards	(3,057)	(2,560)	(1,035)
Proceeds from exercise of stock options and warrants	3,928	2,812	27
NET CASH PROVIDED (USED) BY FINANCING ACTIVITIES	(2,508)	43,301	(10,562)
Net change in cash and cash equivalents	(43,868)	57,500	1,360
Cash and cash equivalents at beginning of period	63,101		4,241
Cash and cash equivalents at end of period	$ 19,233	$ 63,101	$ 5,601