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Consolidated Statement of Stockholders' Equity (USD $)
Class A Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Income
Accumulated Deficit
Total
Balance at Jun. 30, 2010 $ 89,716 $ 206,277,806 $ 23,466 $ (202,146,300) $ 4,244,688
Balance, shares at Jun. 30, 2010 8,971,638        
Issuance of common stock for:          
Employee Stock Purchase Plan 78 12,059     12,137
Employee Stock Purchase Plan, shares 7,854        
Exercise of employee stock options 73 7,560     7,633
Conversion of debentures, net of costs 5,406 820,346     825,752
Conversion of debentures, net of costs, shares 540,592        
Cashless exercise of warrants 567 (567)      
Cashless exercise of warrants, shares 56,695        
Exercise of warrants 1,291 230,368     231,659
Exercise of warrants, shares 129,050        
Stock based compensation on stock options and restricted stock units   246,149     246,149
Premium from debt exchange   42,719     42,719
Foreign currency translation adjustment     27,127   27,127
Net loss       (1,601,963) (1,601,963)
Balance at Jun. 30, 2011 97,131 207,636,440 50,593 (203,748,263) 4,035,901
Balance, shares at Jun. 30, 2011 9,713,099       9,713,099
Issuance of common stock for:          
Employee Stock Purchase Plan 132 13,463       13,595
Employee Stock Purchase Plan, shares 13,169        
Interest payment on convertible debentures 418 86,582      
Interest payment on convertible debentures, shares 41,832        
Warrant issued for consulting services    15,000       15,000
Stock based compensation on stock options and restricted stock units   272,044      
Sale of common stock and warrants, net 19,439 401,137     420,576
Sale of common stock and warrants, net shares 1,943,852        
Premium from debt exchange           
Foreign currency translation adjustment     37,665   37,665
Net loss       (864,867) (864,867)
Balance at Jun. 30, 2012 $ 117,120 $ 208,410,216 $ 88,258 $ (204,613,130) $ 4,002,464
Balance, shares at Jun. 30, 2012 11,711,952       11,711,952