Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Restricted Stock Units (Details)

v3.20.2
Stockholders' Equity - Restricted Stock Units (Details) - USD ($)
1 Months Ended 12 Months Ended
Feb. 04, 2020
Jan. 22, 2020
Nov. 30, 2019
Sep. 06, 2018
Jul. 19, 2018
Dec. 31, 2019
Nov. 30, 2019
Apr. 30, 2020
Apr. 30, 2019
Apr. 29, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Share price (in dollars per share)                   $ 1.86
Weighted average recognition period               1 year 8 months 12 days    
Stock issued during period, value, new issues   $ 16,044,879                
Common Stock                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Right to receive shares (in shares) 1                  
Share price (in dollars per share) $ 9.49                  
Common stock issued (in shares)   2,415,000                
Restricted Stock Units (RSUs)                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Stock-based compensation expense               $ 454,999    
Unvested (in shares)               643,175 0  
Total unrecognized compensation expense               $ 3,274,970    
Granted (in shares)               658,675    
Weighted average recognition period 4 years         3 years        
Amortization of prepaid shares for services               $ 111,211    
Fair value of RSUs           $ 826,800        
Restricted Stock Units (RSUs) | Share-based Payment Arrangement, Tranche One                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Minimum closing price of common stock (in dollars per share) $ 9                  
Consecutive trading days 20 days                  
Restricted stock vesting percentage 10.00%                  
Restricted Stock Units (RSUs) | Share-based Payment Arrangement, Tranche Two                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Minimum closing price of common stock (in dollars per share) $ 10                  
Consecutive trading days 20 days                  
Restricted stock vesting percentage 25.00%                  
Restricted Stock Units (RSUs) | Share-based Payment Arrangement, Tranche Three                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Minimum closing price of common stock (in dollars per share) $ 12                  
Consecutive trading days 20 days                  
Chief Executive Officer                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Weighted average recognition period         5 years          
Chief Executive Officer | Restricted Stock Units (RSUs)                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted (in shares) 100,000                  
Chief Operating Officer | Restricted Stock Units (RSUs)                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted (in shares) 75,000                  
CAO | Restricted Stock Units (RSUs)                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted (in shares) 75,000                  
Chief Financial Officer                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Weighted average recognition period       5 years            
Chief Financial Officer | Common Stock                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Common stock issued (in shares)     15,000     15,000        
Stock issued during period, value, new issues     $ 103,350     $ 103,350        
Chief Financial Officer | Restricted Stock Units (RSUs)                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted (in shares) 75,000         100,000 50,000      
Weighted average recognition period             3 years      
Fair value of RSUs     314,500       $ 314,500      
Chief Nursing Officer | Restricted Stock Units (RSUs)                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted (in shares) 50,000                  
Chief Accounting Officer                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Weighted average recognition period       5 years            
Chief Accounting Officer | Restricted Stock Units (RSUs)                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted (in shares)           20,000        
Employees | Restricted Stock Units (RSUs)                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Granted (in shares)             98,675      
Weighted average recognition period             3 years      
Fair value of RSUs     $ 708,425       $ 708,425