XML 43 R28.htm IDEA: XBRL DOCUMENT v2.4.0.8
Nature of Operations and Summary of Significant Accounting Policies - Components of Comprehensive Loss (Detail) (USD $)
12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Comprehensive Income Net Of Tax [Abstract]      
Net loss $ (7,275,706) $ (7,839,996) $ (125,057)
Other comprehensive loss:      
Change in unrealized gains (losses) on marketable securities 2,454 9,239 (9,855)
Total comprehensive loss $ (7,273,252) $ (7,830,757) $ (134,912)