Quarterly report pursuant to Section 13 or 15(d)

Nature of Operations and Liquidity (Details)

v3.20.1
Nature of Operations and Liquidity (Details)
1 Months Ended 9 Months Ended
Jan. 23, 2020
USD ($)
Jan. 22, 2020
USD ($)
Mar. 06, 2019
USD ($)
Nov. 05, 2018
USD ($)
Mar. 31, 2019
USD ($)
agreement
Jan. 31, 2020
USD ($)
subsidiary
Jan. 31, 2019
USD ($)
Apr. 30, 2019
USD ($)
Product Information [Line Items]                
Number of subsidiaries | subsidiary           3    
Percentage of nursing students seeking degree           84.00%    
Cash balance           $ 20,512,808 $ 4,197,235 $ 9,519,352
Restricted cash           456,211 192,692 $ 448,400
Number of loan agreements | agreement         2      
Proceeds from issuance or sale of equity $ 10,000,000              
Net proceeds from convertible debt   $ 16,000,000            
Net cash provided           11,001,267 (10,413,138)  
Cash used in operating activities           $ (3,825,265) $ (7,430,550)  
Loan Agreements                
Product Information [Line Items]                
Debt instrument, term     5 years          
Loan Agreements | Leon and Toby Cooperman Family Foundation                
Product Information [Line Items]                
Proceeds from issuance or sale of equity     $ 10,000,000   $ 10,000,000      
One-time extension fee (as a percent)         1.00%      
Loan Agreement One                
Product Information [Line Items]                
Debt instrument, face amount of loan     5,000,000          
Loan Agreement Two                
Product Information [Line Items]                
Debt instrument, face amount of loan     5,000,000          
Revolving Credit Facility                
Product Information [Line Items]                
Debt instrument, term       3 years        
Line of credit, maximum borrowing capacity     $ 5,000,000 $ 5,000,000        
Line of credit, outstanding balance       $ 0