Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Stock Options Narrative) (Details)

v3.19.2
Stockholders' Equity (Stock Options Narrative) (Details) - USD ($)
3 Months Ended
May 13, 2019
Jul. 31, 2019
Dec. 13, 2018
Mar. 13, 2012
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Unrecognized compensation cost   $ 1,576,081    
Weighted average recognition period   2 years    
Share based compensation expense   $ 498,417    
Non-qualified stock options to certain former directors [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Options granted 30,000      
Options term P5Y      
Exercisable price per share $ 4.12      
Equity Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Equity Incentive Plan, shares authorized     500,000 3,500,000
Equity Incentive Plan, available shares remaining for issuance   229,238    
Shares remaining available for future issuance   10,852