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Note 2. Net Income (Loss) Per Common Share: Schedule of Earnings Per Share, Basic and Diluted (Details) - shares
3 Months Ended
Sep. 30, 2017
Sep. 30, 2016
Details    
Basic weighted-average number of common shares outstanding during the year 4,748,049 2,841,486
Weighted-average number of dilutive common stock options outstandings during the year 260  
Diluted weighted-average number of common and common equivalent shares outstanding during the year 4,748,309 2,841,486