Accrued Expenses (Tables)

12 Months Ended

Sep. 30, 2013

Payables And Accruals [Abstract]

Schedule of Accrued Expenses

Accrued expenses at September 30, 2013 and 2012 are as follows:

	September 30,
	2013		2012
Accrued royalties, rebates, chargebacks, and distribution fees(1)	$	5,525,103	$	2,851,140
Accrued research and development expenses		2,146,210		1,222,140
Accrued selling, general and administrative expenses		3,892,395		2,170,142
Other current liabilities		344,862		818,737
Total accrued expenses	$	11,908,570	$	7,062,159

(1) Accrued royalties, rebates, chargebacks and distribution fees are directly impacted by product revenue and will fluctuate over time in relation to the change in product revenue.