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Consolidated Statement of Stockholders' Equity (USD $)
Class A Common Stock [Member]
Additional Paid-In Capital
Accumulated Other Comprehensive Income [Member]
Accumulated Deficit [Member]
Total
Balance, beginning at Jun. 30, 2012 $ 117,120 $ 208,410,216 $ 88,258 $ (204,613,130) $ 4,002,464
Balance, beginning, shares at Jun. 30, 2012 11,711,952        
Issuance of common stock for:          
Employee Stock Purchase Plan 106 8,875       8,981
Employee Stock Purchase Plan, shares 10,567        
Exercise of employee stock options 25 2,587       2,612
Exercise of employee stock options, shares 2,511        
Conversion of debentures, net of costs 11,487 855,985     867,472
Conversion of debentures, net of costs, shares 1,148,738        
Interest payment on convertible debentures 844 86,156     87,000
Interest payment on convertible debentures, shares 84,471        
Warrant issued for consulting services   13,000       13,000
Stock based compensation on stock options and restricted stock units   268,307       268,307
Net income (loss)       215,322 215,322
Foreign currency translation adjustment     (35,522)    (35,522)
Balance, ending at Jun. 30, 2013 129,582 209,645,126 52,736 (204,397,808) 5,429,636
Balance, ending, shares at Jun. 30, 2013 12,958,239       12,958,239
Issuance of common stock for:          
Vested restricted stock units 1,912 (1,912)         
Vested restricted stock units, shares 191,160        
Employee Stock Purchase Plan 77 7,336       7,413
Employee Stock Purchase Plan, shares 7,764        
Exercise of warrants, net of costs 11,362 1,527,699       1,539,061
Exercise of warrants, net of costs, shares 1,136,142        
Reclassification of warrant liability upon warrant exercise   277,070       277,070
Stock based compensation on stock options and restricted stock units   356,815       356,815
Net income (loss)       (313,249) (313,249)
Foreign currency translation adjustment     (1,055)    (1,055)
Balance, ending at Jun. 30, 2014 $ 142,933 $ 211,812,134 $ 51,681 $ (204,711,057) $ 7,295,691
Balance, ending, shares at Jun. 30, 2014 14,293,305       14,293,305