Investment in Subsidiaries - Additional Information (Detail) (USD $)	6 Months Ended	12 Months Ended
	Mar. 31, 2014	Sep. 30, 2011	Sep. 30, 2010
Schedule Of Investments [Line Items]
Ownership percentage in subsidiary	100.00%
Issuance of preferred stock in subsidiary		$ 1,618,509	$ 300,000
Calando Pharmaceuticals Inc
Schedule Of Investments [Line Items]
Outstanding Balance of Promissory Note	1,210,000
Amount owed by subsidiary	4,600,000
Stated percentage of notes and advances	8.00%
Percentage of outstanding shares	79.00%
Percentage of investment ownership	76.00%
Ablaris Therapeutics
Schedule Of Investments [Line Items]
Percentage of outstanding shares	64.00%
Percentage of investment ownership	64.00%
Issuance of preferred stock in subsidiary		2,900,000
Investment in preferred stock		1,300,000
Investment in preferred stock by outsider		$ 1,600,000