Consolidated Balance Sheets (Parenthetical) - USD ($)	Jun. 30, 2020	Jun. 30, 2019
Allowance for doubtful accounts		$ 145,825
Stockholders' equity:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, authorized	30,000,000	30,000,000
Common stock, par value	$ 0.01	$ 0.01
Common stock, authorized	50,000,000	50,000,000
Common stock, issued		19,793,372
Common stock, outstanding		19,793,372
Series B Preferred
Stockholders' equity:
Preferred stock, authorized	700,000	700,000
Preferred stock, issued		625,375
Preferred stock, outstanding		625,375
Series B-1 Preferred
Stockholders' equity:
Preferred stock, authorized	550,000	550,000
Preferred stock, issued		212,403
Preferred stock, outstanding		212,403