Consolidated Condensed Balance Sheets (Unaudited) (Parenthetical) - USD ($)	Mar. 31, 2019	Jun. 30, 2018
Current assets:
Receivables, net of allowance	$ 418,985	$ 153,220
Stockholders' equity:
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, authorized	30,000,000	30,000,000
Common stock, par value	$ .01	$ .01
Common stock, authorized	50,000,000	50,000,000
Common stock, issued	19,871,283	19,773,549
Common stock, outstanding	19,871,283	19,773,549
Series B Preferred Stock [Member]
Stockholders' equity:
Preferred stock, authorized	700,000	700,000
Preferred stock, issued	625,375	625,375
Preferred stock, outstanding	625,375	625,375
Series B1 Preferred Stock [Member]
Stockholders' equity:
Preferred stock, authorized	550,000	550,000
Preferred stock, issued	212,402	212,402
Preferred stock, outstanding	212,402	212,402