Income Taxes - Components of Current and Deferred Federal and State Income Tax (Benefit) Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Components of income tax (benefit) expense
Income (loss) before income taxes	$ 3,463	$ (14,720)
Current income tax provision:
Federal	149	0
State	89	50
Total current tax provision	238	50
Deferred income tax provision:
Federal	20	34
State	74	51
Total deferred tax provision	94	85
Provision for income taxes	332	135
Net income (loss)	$ 3,131	$ (14,855)