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Stock-based Compensation - Summary of Stock Options Activity (Details) - $ / shares
9 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Share-based Payment Arrangement [Abstract]    
Number of Shares Outstanding, Beginning Balance 185,700  
Number of Shares Outstanding, Granted 40,000
Number of Shares Outstanding, Exercised (2,900)
Number of Shares Outstanding, Forfeited or Expired  
Number of Shares Outstanding, Ending Balance 185,700  
Number of Shares Outstanding, Vested 155,700  
Number of Shares Outstanding, Exercisable 155,700  
Weighted Average Exercise Price, Beginning Balance $ 6.18  
Weighted Average Exercise Price, Granted $ 4.84
Weighted Average Exercise Price, Exercised  
Weighted Average Exercise Price, Forfeited or Expired  
Weighted Average Exercise Price, Ending Balance 6.18  
Weighted Average Exercise Price, Vested 6.44  
Weighted Average Exercise Price, Exercisable $ 6.44  
Weighted Average Remaining Contract Life in Years, Beginning Balance 4 years 8 months 5 days  
Weighted Average Remaining Contract Life in Years, Ending Balance 3 years 11 months 4 days  
Weighted Average Remaining Contract Life in Years, Vested 3 years 4 days  
Weighted Average Remaining Contract Life in Years, Exercisable 3 years 4 days