Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)	1 Months Ended		3 Months Ended			1 Months Ended
	Jan. 31, 2012	Jun. 30, 2011	Sep. 30, 2012	Mar. 31, 2012 Installment	Sep. 30, 2011	Sep. 03, 2012 Omnibus Stock Incentive Plan 2009 Restricted Stock	Sep. 03, 2012 Omnibus Stock Incentive Plan 2009 Restricted Stock Each Member Of Board Of Directors	Jul. 12, 2012 Amendment	Mar. 13, 2012 Amendment	Sep. 30, 2012 Amendment December 1, 2012 Payment date	Sep. 30, 2012 Amendment June 1, 2013 Payment date	Sep. 30, 2012 Amendment July 1, 2013 Payment date	Sep. 30, 2012 Amendment December 1, 2013 Payment date	Sep. 30, 2012 Significant Observable Inputs (Level 2)	Jun. 30, 2012 Significant Observable Inputs (Level 2)	Oct. 03, 2012 Subsequent Event
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items]
Anti-dilutive common stock shares excluded from computation of net income per share			491,700		576,750
License fee	$ 300,000	$ 300,000		$ 708,334				$ 354,167	$ 354,167
Additional license fees, upon achievement of certain milestones										204,167	204,167	150,000	150,000			150,000
Cumulative contract license fees				4,300,000
License fees number of annual payments				6
Royalty and licensing income			1,400,000		1,300,000
Royalty expenses			196,000		262,000
Share based compensation, common stock granted for each member of Board of Directors						12,000	3,000
Share based compensation, vesting period						3 years
Stock based compensation			40,000		56,000
Fair value of asset														$ 430,000	$ 922,000