XML 95 R52.htm IDEA: XBRL DOCUMENT v3.19.3
Options - Schedule of Stock Option Activity (Details) - USD ($)
 1 Months Ended 6 Months Ended 12 Months Ended
May 31, 2019
Apr. 30, 2019
Apr. 30, 2018
Apr. 30, 2017
Jun. 30, 2019
Dec. 31, 2018
Dec. 31, 2017
Share-based Payment Arrangement [Abstract]              
Number of Options Outstanding, Beginning Balance         1,732,846 1,197,846 1,044,500
Number of Options Exercisable, Beginning Balance         1,107,259 781,300 584,000
Number of Options, Granted 505,000 505,000 560,400 253,846 505,000 560,400 263,846
Number of Options, Forfeited         (25,400) (35,000)
Number of Options, Expired         (75,000)
Number of Options Outstanding, Ending Balance         2,237,846 1,732,846 1,197,846
Number of Options Exercisable, Ending Balance         1,239,384 1,107,259 781,300
Weighted Average Exercise Price Outstanding, Beginning Balance         $ 1.19 $ 0.97 $ 0.92
Weighted Average Exercise Price Exercisable, Beginning Balance         0.96 1.02 1.05
Weighted Average Exercise Price, Granted         0.43 0.50 0.64
Weighted Average Exercise Price, Forfeited         0.46 1.02
Weighted Average Exercise Price, Expired         1.13
Weighted Average Exercise Price Outstanding, Ending Balance         0.73 1.19 0.97
Weighted Average Exercise Price Exercisable, Ending Balance         $ 0.91 $ 0.96 $ 1.02
Contractual Life in Years Outstanding, Beinning Balance 10 years 10 years     6 years 11 months 23 days 6 years 11 months 15 days 3 years 4 months 17 days
Contractual Life in Years Exercisable, Beinning Balance         5 years 10 months 28 days 6 years 3 months 19 days 3 years 7 days
Contractual Life in Years, Granted         9 years 10 months 10 days 9 years 3 months 4 days 9 years 18 days
Contractual Life in Years, Forfeited         0 years 9 years 22 days 8 years 2 months 30 days
Contractual Life in Years, Expired         0 years 0 years 4 years 6 months 14 days
Contractual Life in Years Outstanding, Ending Balance         7 years 3 months 8 days 6 years 11 months 23 days 6 years 11 months 15 days
Contractual Life in Years Exercisable, Ending Balance         5 years 9 months 7 days 5 years 10 months 28 days 6 years 3 months 19 days
Intrinsic Value Outstanding, Beginning Balance        
Intrinsic Value Exercisable, Beginning Balance        
Intrinsic Value Outstanding, Ending Balance         88,350
Intrinsic Value Exercisable, Ending Balance         $ 8,809