Earnings Per Share (Details Textual)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2010
Earnings Per Share (Textual) [Abstract]
Options for aggregate common shares	232,000	197,000	232,000	197,000	197,000	197,000
Warrant to purchase share	561,343	561,343	561,343	561,343
Dilutive stock options	6,174	2,500	3,925	2,500