XML 49 R23.htm IDEA: XBRL DOCUMENT v2.4.0.6
Net loss per share (Tables)
12 Months Ended
Sep. 30, 2012
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

Shares

2012

2011

Convertible preferred stock

61,628,427

78,962,501

Convertible debt

13,672,415

69,700,113

Common stock options

246,482,543

230,282,543

Common stock purchase warrants

348,585,700

10,248,785