Accrued Expenses (Tables)

12 Months Ended

Dec. 31, 2012

Accrued Expenses [Abstract]

Accrued expenses

Accrued expenses as of December 31, 2012 and 2011 consisted of the following:

	2012		2011
Professional fees	$	3,500	$	88,400
Consulting services		6,600		60,800
Royalties		—		14,600
Other		4,100		4,700
	$	14,200	$	168,500