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Note 3. Net Loss per Common Share (Tables)
3 Months Ended
Sep. 30, 2019
Note 3. Net Loss Per Common Share  
Reconciliations between the basic and diluted weighted-average number of common shares outstanding
    2019     2018  
Basic weighted-average number of common shares outstanding during the period     8,679,231       8,160,431  
Weighted-average number of dilutive potential common shares outstanding during the period     -       240,393  
Diluted weighted-average number of common and potential common shares outstanding during the period     8,679,231       8,400,824