Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2013

Stockholders' Equity [Abstract]

Computing the option fair value

Average risk-free interest rate	0.89	%
Dividend yield	0	%
Expected term	5 years
Average expected volatility	78.40	%

Stock-based compensation expense

Common stock awards
Issue date	Total Shares Awarded		Average Issuance Price		3/31/2013		3/31/2012
December 2010		136,500	$	3.00	$	11,625	$	25,125
May 2011		420,000		2.68		60,300		93,800
December 2011		12,000		2.68		2,680		2,680
April 2012		60,000		2.30		11,500		—
August 2012		30,000		1.75		4,375		—
February 2013		42,000		2.50		8,750		—
					$	99,230	$	121,605
Stock option awards
Issue date	Total Options Awarded		Average Strike Price		3/31/2013		3/31/2012
December 2010		368,000	$	3.00	$	30,283	$	57,123
May 2011		378,000		2.68		37,083		54,331
December 2011		36,000		2.68		5,175		5,174
April 2012		804,000		2.30		86,460		—
August 2012		60,000		2.30		6,600		—
February 2013		346,000		2.50		45,231		—
					$	210,832	$	116,628
Total share-based expense					$	310,062	$	238,233