Cash and Cash Equivalents (Tables)

9 Months Ended

Sep. 30, 2012

Cash and Cash Equivalents [Abstract]

Cash and cash equivalents

	September 30, 2012		December 31, 2011
Cash on hand	$	157,202	$	133,035
Money market fund		10,392,407		4,230,677
Certificates of deposit maturing in November 2012		5,000,000		—
Total cash and cash equivalents	$	15,549,609	$	4,363,712