Permanent Equity - Stock Based Compensation Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Stock-Based Compensation
Stock-based compensation expense	$ 2,057	$ 863
Cost of goods sold
Stock-Based Compensation
Stock-based compensation expense	139	37
Research and development
Stock-Based Compensation
Stock-based compensation expense	93	97
Selling, general and administrative
Stock-Based Compensation
Stock-based compensation expense	$ 1,825	$ 729