Condensed Consolidated Statements of Operations - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Condensed Consolidated Statements of Operations [Abstract]
Net sales	$ 196,639,000	$ 172,543,000	$ 356,344,000	$ 336,528,000
Cost of goods sold	155,491,000	146,027,000	288,629,000	279,710,000
Gross profit	41,148,000	26,516,000	67,715,000	56,818,000
Operating expenses:
General and administrative	14,325,000	14,846,000	26,927,000	28,480,000
Sales and marketing	5,688,000	6,066,000	11,107,000	11,608,000
Research and development	2,438,000	2,670,000	4,813,000	5,783,000
Foreign exchange impact of lease liabilities and forward contracts	4,760,000	1,082,000	490,000	1,760,000
Total operating expenses	27,211,000	24,664,000	43,337,000	47,631,000
Operating income	13,937,000	1,852,000	24,378,000	9,187,000
Other Expenses:
Interest expense, net	15,383,000	9,283,000	27,103,000	16,204,000
Change in fair value of compound net derivative liability	390,000	0	530,000	0
Loss on extinguishment of debt	168,000	0	168,000	0
Total other expenses	15,941,000	9,283,000	27,801,000	16,204,000
Loss before income tax benefit	(2,004,000)	(7,431,000)	(3,423,000)	(7,017,000)
Income tax benefit	(46,000)	(914,000)	(55,000)	(325,000)
Net loss	$ (1,958,000)	$ (6,517,000)	$ (3,368,000)	$ (6,692,000)
Basic net loss per share (in dollars per share)	$ (0.1)	$ (0.34)	$ (0.17)	$ (0.35)
Diluted net loss per share (in dollars per share)	$ (0.1)	$ (0.34)	$ (0.17)	$ (0.35)
Weighted average number of shares outstanding:
Basic (in shares)	19,599,162	19,272,557	19,554,142	19,197,181
Diluted (in shares)	19,599,162	19,272,557	19,554,142	19,197,181