CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Feb. 28, 2022	Feb. 28, 2021	Feb. 29, 2020
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (27,991)	$ (56,309)	$ (79,304)
Net income (loss) from discontinued operations, net of tax	3,157	(35,152)	(27,752)
Net loss from continuing operations	(31,148)	(21,157)	(51,552)
Adjustments to reconcile net loss from continuing operations to net cash provided by (used in) operating activities:
Depreciation expense	17,389	17,221	17,441
Intangible asset amortization	5,415	4,781	5,871
Stock-based compensation	11,321	11,364	10,667
Amortization of debt issuance costs and discount	10,411	10,180	13,764
Impairment losses		825	5,754
Noncash operating lease cost	3,713	421	1,534
Loss on extinguishment of debt			2,408
Revenue assigned to factors	(4,566)	(6,291)	(6,844)
Deferred tax assets, net	465	(1)	18,552
Equity in net loss of affiliate and related impairment loss			530
Changes in operating assets and liabilities of continuing operations, excluding effects from acquisitions:
Accounts receivable	1,436	1,624	7,549
Inventories	5,164	8,691	(1,439)
Prepaid expenses and other current assets	(219)	(7,311)	(2,014)
Accounts payable	(4,782)	10,166	(17,598)
Accrued liabilities	796	8,257	4,602
Deferred revenue	(14,228)	(6,199)	1,975
Operating lease liabilities	(5,585)	(297)	(4,962)
Other	595	723	599
Net cash provided by (used in) operating activities - continuing operations	(3,823)	32,997	6,837
Net cash provided by (used in) operating activities - discontinued operations	(395)	(4,412)	4,707
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	(4,218)	28,585	11,544
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from maturities and sale of marketable securities		6,264	37,055
Purchases of marketable securities		(6,264)	(19,543)
Capital expenditures	(13,298)	(11,356)	(21,301)
Acquisitions, net of cash acquired			(60,652)
Other			(366)
Net cash used in investing activities - continuing operations	(13,298)	(11,356)	(64,807)
Net cash provided by (used in) investing activities - discontinued operations	5,721	(2,338)	(891)
NET CASH USED IN INVESTING ACTIVITIES	(7,577)	(13,694)	(65,698)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from Paycheck Protection Program Loan		10,000
Repayment of Paycheck Protection Program Loan		(10,000)
Proceeds from revolving credit facility, net of issuance costs		19,944
Repayment of 2020 Convertible Notes		(27,599)	(94,683)
Repayment of revolving credit facility		(20,000)
Taxes paid related to net share settlement of vested equity awards	(4,173)	(1,628)	(2,007)
Proceeds from exercise of stock options and contributions to employee stock purchase plan	1,530	1,967	1,870
NET CASH USED IN FINANCING ACTIVITIES	(2,643)	(27,316)	(94,820)
EFFECT OF EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS	(965)	(355)	(122)
Net change in cash and cash equivalents	(15,403)	(12,780)	(149,096)
Cash and cash equivalents at beginning of year	94,624	107,404	256,500
Cash and cash equivalents at end of year	$ 79,221	$ 94,624	$ 107,404