Annual report pursuant to Section 13 and 15(d)

Nature of Operations and Liquidity (Liquidity) (Details)

v3.19.2
Nature of Operations and Liquidity (Liquidity) (Details) - USD ($)
1 Months Ended 12 Months Ended
Dec. 03, 2018
Dec. 02, 2018
Nov. 05, 2018
Mar. 31, 2019
Feb. 25, 2019
Apr. 30, 2019
Apr. 30, 2018
Apr. 23, 2018
Debt Instrument [Line Items]                
Approximate cash position           $ 9,519,352 $ 14,612,559  
Restricted cash           448,400 190,506  
Proceeds from shares issued           23,023,000  
Share price               $ 7.15
Expected investment           600,000    
Cash used in operating activities           10,216,014 5,609,935  
Cash used during period           $ 4,835,313 (12,046,848)  
Convertible Notes Payable [Member]                
Debt Instrument [Line Items]                
Amount of principal and accrued interest paid $ 1,160,000       $ 1,080,000      
Repayment of principal amount on convertible debt   $ 1,160,000     1,000,000      
Repayment of accrued interest on convertible debt         19,068      
Settlement expense         $ 60,932      
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]                
Debt Instrument [Line Items]                
Upfront payment of facility fee       $ 10,000,000        
Commitment fee percentage, payable quarterly       1.00%        
Outstanding balance under credit facility     $ 5,000,000