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Stock-Based Compensation - Additional Information (Details) - USD ($)
1 Months Ended 3 Months Ended
Sep. 05, 2019
Sep. 07, 2017
May 15, 2015
Sep. 24, 2018
Aug. 25, 2016
Oct. 22, 2013
Mar. 20, 2007
Mar. 31, 2020
Mar. 31, 2019
Nov. 02, 2010
Share-based Compensation Arrangement by Share-based Payment Award                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures               0 0  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options               $ 577,000    
Employees | General and Administrative Expenses and Research and Development Expense [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award                    
Allocated Share-based Compensation Expense               55,000 $ 54,000  
Consultants | General and Administrative Expenses and Research and Development Expense [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award                    
Allocated Share-based Compensation Expense               $ 28,000 $ 10,000  
2007 Stock Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number             71,429 7,052    
2007 Stock Plan [Member] | Maximum [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross             7,143      
2010 Stock Plan [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number               2,494,960   85,714
2010 Stock Plan [Member] | Maximum [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 4,000,000 500,000 228,572 1,000,000 400,000 171,429        
2010 Stock Plan [Member] | Minimum [Member]                    
Share-based Compensation Arrangement by Share-based Payment Award                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross 1,000,000 400,000 171,429 500,000 228,572 85,714