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Consolidated Statements of Shareholders' Equity (USD $)
Common Stock
Additional Paid-In Capital
Accumulated Deficit
Total
Beginning Balance - Amount at Sep. 30, 2008 $ 1,207,961 $ 134,324,370 $ (124,696,296) $ 10,836,035
Beginning Balance - Shares at Sep. 30, 2008 120,796,094      
Sale of common stock, Shares 45,451,547      
Sale of common stock, Amount 454,515 31,788,201   32,242,716
401(k) contributions paid in common stock, Shares 91,766      
401(k) contributions paid in common stock, Amount 917 56,912   57,829
Exercise of warrants and stock options, Shares 15,659,116      
Exercise of warrants and stock options, Amount 156,591 8,524,663   8,681,254
Stock issued to nonemployees for service, Shares 3,316,438      
Stock issued to nonemployees for service, Amount 33,164 1,528,179   1,561,343
Stock issued to employees, Shares 1,324,385      
Stock issued to employees, Amount 13,244 672,614   685,858
Stock issued for principal payments on Series K notes, Shares 972,753      
Stock issued for principal payments on Series K notes, Amount 9,728 275,272   285,000
Stock issued for interest on Series K notes, Shares 177,403      
Stock issued for interest on Series K notes, Amount 1,774 41,111   42,885
Issuance of stock options and warrants to nonemployees   449,641   449,641
Loss on conversion of convertible stock   2,145,754   2,145,754
Issuance of warrants for short term loan   65,796   65,796
Modification of options and warrants   6,142   6,142
Employee option cost   1,699,448   1,699,448
Premium on loan from shareholder   489,776   489,776
Conversion of convertible debt into common stock, Shares 3,015,852      
Conversion of convertible debt into common stock, Amount 30,159 1,176,182   1,206,341
Cost of derivative liabilities   (8,632,217)   (8,632,217)
Financing costs   (2,072,927)   (2,072,927)
Dividends, Shares 1,166,667      
Dividends, Value 11,667 479,061 (490,728) 0
Net income     (40,910,030) (40,910,030)
Ending Balance, Amount at Sep. 30, 2009 1,919,720 173,017,978 (166,097,054) 8,840,644
Ending Balance, Shares at Sep. 30, 2009 191,972,021      
401(k) contributions paid in common stock, Shares 182,233      
401(k) contributions paid in common stock, Amount 1,822 110,503   112,325
Exercise of warrants and stock options, Shares 12,249,441      
Exercise of warrants and stock options, Amount 122,495 6,186,379   6,308,874
Stock issued to nonemployees for service, Shares 465,158      
Stock issued to nonemployees for service, Amount 4,652 1,236,374   1,241,026
Exercise of derivative liabilities   5,510,490   5,510,490
Modification of options and warrants   227,921   227,921
Employee option cost   1,316,399   1,316,399
Adoption of ASC 815-40     (6,186,343) (6,186,343)
Net income     10,483,429 10,483,429
Ending Balance, Amount at Sep. 30, 2010 2,048,689 187,606,044 (161,799,968) 27,854,765
Ending Balance, Shares at Sep. 30, 2010 204,868,853      
Sale of common stock, Shares 7,424,982      
Sale of common stock, Amount 74,250 3,862,034   3,936,284
401(k) contributions paid in common stock, Shares 294,309      
401(k) contributions paid in common stock, Amount 2,943 147,922   150,865
Exercise of warrants and stock options, Shares 1,786,599      
Exercise of warrants and stock options, Amount 17,866 661,722   679,588
Stock issued to nonemployees for service, Shares 348,280      
Stock issued to nonemployees for service, Amount 3,482 210,641   214,123
Dismissal of liability for overpayment   81,395   81,395
Exercise of derivative liabilities   202,830   202,830
Modification of options and warrants   135,988   135,988
Employee option cost   1,535,329   1,535,329
Net income     (25,712,343) (25,712,343)
Ending Balance, Amount at Sep. 30, 2011 $ 2,147,230 $ 194,443,905 $ (187,512,311) $ 9,078,824
Ending Balance, Shares at Sep. 30, 2011 214,723,023