Fair Value Measurements - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Oct. 04, 2021
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Derivative, gain (loss) on derivative, net	$ 14
Derivative assets	7	$ 0
Derivative liabilities	$ 0	$ 0
Yaskawa Note | Yaskawa
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Principal and unpaid interest of convertible note			$ 15,600
Principal amount of long term loan facility			15,000
Accrued interest on promissory note			$ 600
Number of common stock shares converted per preferred share (in shares)			3,120,000