Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Sep. 30, 2023	Mar. 31, 2023
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 44	$ 35
Preferred stock, par value (in dollars per share)	$ 0.001	$ 0.001
Preferred stock, shares authorized (in shares)	5,000,000	5,000,000
Preferred stock, shares issued (in shares)	2,500	2,500
Preferred stock, shares outstanding (in shares)	2,500	2,500
Preferred stock, liquidation preference (in dollars per share)	$ 4	$ 4
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, shares authorized (in shares)	40,000,000	40,000,000
Common stock, shares issued (in shares)	21,147,006	21,084,302
Common stock, shares outstanding (in shares)	21,147,006	21,084,302