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Stock-based Compensation - Summary of Activity of Stock Options (Details) - $ / shares
9 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Number of Shares, Granted
Number of Shares, Exercised (11,700)
Stock Option [Member]    
Number of Shares, Beginning Balance 227,700  
Number of Shares, Granted  
Number of Shares, Exercised (11,700)  
Number of Shares, Forfeited or Expired (35,200)  
Number of Shares, Ending Balance 180,800  
Number of Shares, Vested 119,800  
Number of Shares, Exercisable 119,800  
Weighted Average Exercise Price Per Share, Beginning Balance $ 5.65  
Weighted Average Exercise Price Per Share, Granted  
Weighted Average Exercise Price Per Share, Exercised  
Weighted Average Exercise Price Per Share, Forfeited or Expired  
Weighted Average Exercise Price Per Share, Ending Balance 5.49  
Weighted Average Exercise Price Per Share, Vested 6.33  
Weighted Average Exercise Price Per Share, Exercisable $ 6.33  
Weighted Average Remaining Contract Life in Years, Beginning Balance 4 years 9 months 29 days  
Weighted Average Remaining Contract Life in Years, Ending Balance 5 years 1 month 9 days  
Weighted Aggregate Average Remaining Contract Life in Years, Vested 3 years 3 months 11 days  
Weighted Aggregate Average Remaining Contract Life in Years, Exercisable 3 years 3 months 11 days