Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Restricted Stock (Details)

v3.20.2
Stockholders' Equity - Restricted Stock (Details) - USD ($)
1 Months Ended 12 Months Ended
Nov. 30, 2019
Jun. 18, 2019
Sep. 06, 2018
Apr. 30, 2019
Dec. 31, 2018
Sep. 30, 2018
Apr. 30, 2020
Apr. 30, 2019
Apr. 29, 2015
Stockholders Equity [Line Items]                  
Stock issued for services             $ 0    
Restricted shares granted, value   $ 122,232              
Share price (in dollars per share)                 $ 1.86
Weighted average recognition period             1 year 8 months 12 days    
Restricted Stock                  
Stockholders Equity [Line Items]                  
Unvested (in shares)       64,116     24,672 64,116  
Total unrecognized compensation expense       $ 340,000     $ 70,178 $ 340,000  
Investor | Restricted Stock                  
Stockholders Equity [Line Items]                  
Restricted shares granted, value       $ 122,250          
Granted (in shares)       25,000          
Restricted shares vested (in shares)       5,000       5,000  
Director | Restricted Stock                  
Stockholders Equity [Line Items]                  
Total unrecognized compensation expense             70,178    
Stock issued for services (in shares)         24,672        
Stock issued for services         $ 126,320        
Award vesting period         36 months        
Amortization of prepaid shares for services             $ 42,107 $ 14,036  
Andrew Kaplan Current Director | Restricted Stock                  
Stockholders Equity [Line Items]                  
Granted (in shares)   5,131              
Two former directors | Restricted Stock                  
Stockholders Equity [Line Items]                  
Granted (in shares)   25,000              
Chief Financial Officer                  
Stockholders Equity [Line Items]                  
Granted (in shares)     180,000            
Weighted average recognition period     5 years            
Chief Financial Officer | Restricted Stock                  
Stockholders Equity [Line Items]                  
Total unrecognized compensation expense           $ 180,000      
Amortization of prepaid shares for services $ 108,000                
Granted (in shares)           25,000      
Share price (in dollars per share)           $ 7.15      
Weighted average recognition period           36 months      
Restricted stock vesting percentage 66.67%