Income (Loss) Per Common and Common Stock Equivalent Share (Details) - USD ($)	3 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Income (Loss) Per Common and Common Stock Equivalent Share [Abstract]
Net income (loss)	$ 126,928	$ (310,749)
Weighted average shares, basic (in shares)	7,404,831	7,404,831
Dilutive effect of stock compensation awards (in shares)	3,854
Diluted shares (in shares)	7,408,685	7,404,831
Basic (in dollars per share)	$ 0.02	$ (0.04)
Diluted (in dollars per share)	$ 0.02	$ (0.04)
Anti-dilutive shares	2,750,176	2,775,321