Annual report pursuant to Section 13 and 15(d)

Nature of Operations and Liquidity (Details)

v3.20.2
Nature of Operations and Liquidity (Details)
1 Months Ended 3 Months Ended 12 Months Ended
Jan. 22, 2020
USD ($)
Feb. 25, 2019
USD ($)
Dec. 03, 2018
USD ($)
Nov. 05, 2018
USD ($)
Mar. 31, 2019
USD ($)
agreement
Apr. 30, 2020
USD ($)
student
subsidiary
Jan. 31, 2020
USD ($)
Oct. 31, 2019
USD ($)
Jul. 31, 2019
USD ($)
Apr. 30, 2019
USD ($)
Jan. 31, 2019
USD ($)
Oct. 31, 2018
USD ($)
Jul. 31, 2018
USD ($)
Apr. 30, 2020
USD ($)
student
subsidiary
Apr. 30, 2019
USD ($)
Debt Instrument [Line Items]                              
Number of subsidiaries | subsidiary           5               5  
Number of degree-seeking nursing students | student           9,710               9,710  
Number of students | student           11,444               11,444  
Percentage of nursing students seeking degree           85.00%               85.00%  
Revenues           $ 14,079,193 $ 12,537,940 $ 12,085,965 $ 10,357,982 $ 10,214,142 $ 8,494,627 $ 8,095,344 $ 7,221,305 $ 49,061,080 $ 34,025,418
Approximate cash position           14,350,554               14,350,554  
Restricted cash           $ 3,556,211               3,556,211  
Number of loan agreements | agreement         2                    
Proceeds from convertible debt $ 16,000,000                            
Cash paid to settle convertible debt                           0 60,932
Net cash provided                           7,939,013 (4,835,313)
Cash used in operating activities                           $ 5,748,633 $ 10,216,014
Loan Agreement One                              
Debt Instrument [Line Items]                              
Face value of loan         $ 5,000,000                    
Loan Agreement Two                              
Debt Instrument [Line Items]                              
Face value of loan         5,000,000                    
Revolving Credit Facility                              
Debt Instrument [Line Items]                              
Proceeds received from loan agreements         $ 10,000,000                    
One-time extension fee (as a percent)         1.00%                    
Line of credit facility, period       3 years                      
Line of credit facility, maximum amount outstanding during period       $ 5,000,000                      
Outstanding balance under facility       $ 0                      
Convertible Notes Payable                              
Debt Instrument [Line Items]                              
Debt instrument, periodic payment   $ 1,080,000 $ 1,160,000                        
Cash paid to settle convertible debt   1,000,000                          
Repayment of accrued interest on convertible debt   19,068                          
Accrued unpaid interest and settlement expense   $ 60,932