6. Earnings (Loss) per common share (Details Narrative) - shares	3 Months Ended		6 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2016	Dec. 31, 2015
Earnings Per Share [Abstract]
Common stock issuable upon the exercise of outstanding stock options	43,500	43,500	38,500	38,500