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CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) - USD ($)
$ in Thousands
Sep. 30, 2024
Mar. 31, 2024
Current assets:    
Allowance for credit losses $ 27 $ 273
Shareholders' equity:    
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) 20,663,218 21,148,692
Common stock, shares outstanding (in shares) 20,663,218 21,148,692