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Share-based Payments, Stock Option Activity (Details) - Stock Options [Member] - USD ($)
 12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Mar. 31, 2022
Black-Scholes option pricing model assumptions used to derive the weighted average fair value of the stock options granted [Abstract]      
Weighted average risk free interest rate 4.53%    
Weighted average expected holding period 6 years 6 months 25 days    
Weighted average expected volatility 51.29%    
Weighted average expected dividend yield 0.00%    
Weighted average fair value of options granted (in dollars per share) $ 3.75    
Number of Shares [Roll Forward]      
Outstanding at beginning of period (in shares) 1,232,745    
Granted (in shares) 132,133 0 0
Exercised (in shares) 0    
Forfeited/Cancelled (in shares) (116,328)    
Expired (in shares) (140,533)    
Outstanding at end of period (in shares) 1,108,017 1,232,745  
Weighted Average Exercise Price [Roll Forward]      
Outstanding at beginning of period (in dollars per share) $ 20.2    
Granted (in dollars per share) 9.32    
Exercised (in dollars per share) 0    
Forfeited/Cancelled (in dollars per share) 19.7    
Expired (in dollars per share) 9.66    
Outstanding at end of period (in dollars per share) $ 20.29 $ 20.2  
Granted (in shares) 132,133 0 0
Number of stock options unvested (in shares) 132,133    
Weighted average exercise price of stock options unvested (in dollars per share) $ 9.32    
Pre-tax intrinsic value of options exercised $ 0 $ 2,427,000 $ 245,000
Fair value of vested stock options $ 324,000 $ 1,140,000 $ 2,174,000
Closing stock price (in dollars per share) $ 8.04    
Total unrecognized compensation expense, options $ 409,000    
Weighted average vesting period over which compensation expense is expected to be recognized 2 years 6 months