Earnings per Share (Tables)

6 Months Ended

Jun. 30, 2012

Earnings per Share [Abstract]

Dilutive shares of consolidated condensed statements of operations

	Three Months				Six Months
	Ended June 30,				Ended June 30,
	2012		2011		2012		2011
Weighted average number of shares for calculation of basic EPS – Common Stock		29,567,545		22,208,454		27,023,219		22,146,231
Impact of stock options outstanding under the 1997 and 2006 Stock Option Plans		535,918		—		617,704		—
Weighted average number of shares for calculation of diluted EPS		30,103,463		23,208,454		27,640,923		22,146,231

Common Stock issuable upon the exercise of certain stock options

	Three Months				Six Months
	Ended June 30,				Ended June 30,
	2012		2011		2012		2011
Stock options outstanding under the 2006 and 2011 Stock Option Plans		84,000		2,060,272		84,000		2,060,272
Series C Convertible Preferred Stock		2,637,085		4,931,161		2,637,085		4,931,161
		2,721,085		6,991,433		2,721,085		6,991,433