Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)	Dec. 31, 2019	Jun. 30, 2019
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 100,000	$ 100,000
Accumulated amortization and depreciation	11,423,223	10,545,810
Patents, Accumulated amortization	$ 1,267,978	$ 1,204,589
Common stock, par value (in dollars per share)	$ .0001	$ 0.01
Common stock, authorized	40,000,000	40,000,000
Common stock, issued	15,491,560	9,646,728
Common stock, outstanding	15,491,560	9,646,728