XML 73 R63.htm IDEA: XBRL DOCUMENT v3.19.1
Note 12 - Stock-based Compensation - Summary of Stock Options Assumptions (Details) - USD ($)
9 Months Ended
Apr. 11, 2019
Jan. 03, 2019
Apr. 30, 2019
Options Granted (in shares)     130,000
Exercise Price (in dollars per share)     $ 1.38
Term (Year)     5 years
Share-based Payment Arrangement, Option [Member]      
Options Granted (in shares) 90,000 40,000 130,000
Exercise Price (in dollars per share) $ 1.44 $ 1.25  
Term (Year) 5 years 5 years  
Fair Value of Options Granted $ 58,047 $ 24,164 $ 82,211
Expected Life (Year) 3 years 255 days 3 years 255 days  
Risk-Free Interest Rate 2.29% 2.34%  
Dividend Yield 0.00% 0.00%  
Expected Volatility Rate 58.06% 63.70%