Other Current Assets (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2013

Dec. 31, 2012

Other Current Assets

Other current assets consisted of the following at March 31, 2013 and December 31, 2012:

Description	March 31, 2013		December 31, 2012
Supplies inventory	$	491,377	$	604,179
Deferred offering costs		309,969		341,166
Prepaid expenses		365,084		132,201
	$	1,166,430	$	1,077,546

Other current assets consisted of the following at December 31, 2012 and 2011:

Description	2012		2011
Supplies inventory	$	604,179	$	—
Deferred offering costs		341,166		—
Prepaid expenses		132,201		124,773
	$	1,077,546	$	124,773