Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Income Statement [Abstract]
Net sales	$ 205,964	$ 286,773
Cost of sales	156,047	234,819
Gross profit	49,917	51,954
Operating expenses:
Selling and marketing	34,665	51,505
General and administrative	36,632	42,474
Research and development	16,528	21,822
Goodwill and asset impairment charge	39,635	26,965
Restructuring and exit charges	12,110	2,549
Total operating expenses	139,570	145,315
Operating loss	(89,653)	(93,361)
Other income (expense):
Interest income	25	9
Interest expense	(7,257)	(3,795)
Other, net	10,233	(982)
Total other income (expense), net	3,001	(4,768)
Loss from continuing operations before reorganization items and income taxes	(86,652)	(98,129)
Reorganization items, net	(1,897)	0
Income tax expense	1,821	9,359
Loss from continuing operations	(90,370)	(107,488)
Discontinued operations:
Loss from discontinued operations before income taxes	0	(47)
Income tax benefit of discontinued operations	0	(2,136)
Income from discontinued operations	0	2,089
Net loss	$ (90,370)	$ (105,399)
Basic loss per share
Basic income per share from continuing operations (in dollars per share)	$ (2.56)	$ (3.40)
Basic income (loss) per share from discontinued operations (in dollars per share)	0	0.06
Basic net income per share (in dollars per share)	(2.56)	(3.34)
Diluted net loss per share
Diluted income per share from continuing operations (in dollars per share)	(2.56)	(3.40)
Diluted income (loss) per share from discontinued operations (in dollars per share)	0	0.06
Diluted net income per share (in dollars per share)	$ (2.56)	$ (3.34)
Shares used in per share calculations:
Basic (in shares)	35,294	31,585
Diluted (in shares)	35,294	31,585