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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($)
Dec. 31, 2018
Jun. 30, 2018
Current assets:    
Receivables, net of allowance $ 346,204 $ 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 19,839,261 19,773,549
Common stock, outstanding 19,839,261 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