Quarterly report pursuant to Section 13 or 15(d)

Nature of Operations and Liquidity (Liquidity) (Details)

v3.19.1
Nature of Operations and Liquidity (Liquidity) (Details) - USD ($)
1 Months Ended 9 Months Ended 12 Months Ended
Dec. 02, 2019
Mar. 06, 2019
Dec. 03, 2018
Dec. 02, 2018
Feb. 25, 2019
Jan. 31, 2019
Jan. 31, 2018
Apr. 30, 2018
Jan. 31, 2017
Debt Instrument [Line Items]                  
Approximate cash position           $ 4,197,235 $ 4,197,235 $ 14,612,559 $ 3,803,080
Restricted cash           192,692   190,506  
Expected investment           600,000      
Cash used in operating activities           7,430,550 3,654,947    
Cash used during period           $ 10,413,138 $ (1,237,369)    
Convertible Notes Payable [Member]                  
Debt Instrument [Line Items]                  
Amount of principal and accrued interest paid     $ 1,160,000            
Repayment of principal amount on convertible debt       $ 1,160,000          
Convertible Notes Payable [Member] | Subsequent Event [Member]                  
Debt Instrument [Line Items]                  
Repayment of principal amount on convertible debt         $ 1,000,000        
Repayment of accrued interest on convertible debt $ 80,000       $ 80,000        
Secured Debt [Member]                  
Debt Instrument [Line Items]                  
Proceeds from shares issued               $ 23,023,000  
Share price               $ 7.15  
Sale of equity               3,220,000  
Repayment of loan               $ 7,500,000  
Revolving Credit Facility [Member] | Subsequent Event [Member]                  
Debt Instrument [Line Items]                  
Upfront payment of facility fee   $ 10,000,000              
Commitment fee percentage, payable quarterly   1.00%