Accrued Expenses

6 Months Ended

Jun. 30, 2013

Payables And Accruals [Abstract]

Accrued Expenses

6. Accrued Expenses

Accrued expenses consisted of the following:

	December 31, 2012		June 30, 2013
Marketing programs	$	2,688,818	$	4,129,788
Payroll and payroll related		7,970,443		9,365,205
Professional fees		1,711,926		1,200,143
Other accrued expenses		4,285,614		4,125,679
Total accrued expenses	$	16,656,801	$	18,820,815