Quarterly report pursuant to Section 13 or 15(d)

Nature of Operations and Liquidity - Narrative (Details)

v3.20.4
Nature of Operations and Liquidity - Narrative (Details)
1 Months Ended 3 Months Ended 6 Months Ended
Jan. 22, 2020
USD ($)
Mar. 06, 2019
USD ($)
agreement
Nov. 05, 2018
USD ($)
Mar. 31, 2019
USD ($)
agreement
Oct. 31, 2020
USD ($)
subsidiary
student
Oct. 31, 2019
USD ($)
Oct. 31, 2020
USD ($)
subsidiary
student
Oct. 31, 2019
USD ($)
Apr. 30, 2020
USD ($)
Product Information [Line Items]                  
Number of subsidiaries | subsidiary         5   5    
Number of degree-seeking nursing students | student         11,442   11,442    
Number of students | student         13,238   13,238    
Percentage of nursing students seeking degree         86.00%   86.00%    
Revenues         $ 16,971,045 $ 12,085,965 $ 32,136,607 $ 22,443,947  
Cash and cash equivalents         12,237,710 6,472,417 12,237,710 6,472,417 $ 14,350,554
Restricted cash         $ 4,644,618 $ 454,288 4,644,618 454,288 $ 3,556,211
Number of loan agreements | agreement   2   2          
Proceeds from issuance or sale of equity $ 10,000,000                
Net proceeds from convertible debt $ 16,000,000                
Net cash provided             (1,024,437) (3,041,047)  
Cash used in operating activities             $ 2,076,821 $ 2,025,107  
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          
Loan Agreements                  
Product Information [Line Items]                  
Debt instrument, term   5 years   18 months          
Debt instrument, extension term       12 months          
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%          
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