Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenue, net, including related parties (Note 18)	$ 16,511	$ 24,050
Cost of goods sold	17,461	12,530
Gross (loss) profit	(950)	11,520
Operating expenses:
Research and development	8,908	6,655
Sales and marketing	5,247	3,535
General and administrative	13,672	11,226
Total operating expenses	27,827	21,416
Loss from operations	(28,777)	(9,896)
Interest expense	730	792
Loss in joint venture	2,724	3,971
Changes in fair value of promissory note	0	(605)
Other income, net	(1,633)	(3,819)
Loss before tax expense	(30,598)	(10,235)
Tax expense	0	0
Net loss	$ (30,598)	$ (10,235)
Net loss per share - basic (in usd per share)	$ (0.54)	$ (0.22)
Net loss per share - diluted (in usd per share)	$ (0.54)	$ (0.22)
Weighted average common shares outstanding - basic (in shares)	56,227,007	46,056,331
Weighted average common shares outstanding - diluted (in shares)	56,227,007	46,056,331