Consolidated Balance Sheets (Parentheticals) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Preferred stock, par value (in Dollars per share)	$ 0.01	$ 0.01	[1]
Preferred stock, shares authorized	2,445,598	2,445,598	[1]
Preferred stock, shares issued	0	0	[1]
Preferred stock, shares outstanding	0	0	[1]
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01	[1]
Common stock, shares authorized	47,000,000	47,000,000	[1]
Common stock, shares issued	20,130,918	20,103,043	[1]
Common stock, shares outstanding	20,130,918	20,103,043	[1]

[1] The Balance Sheet at December 31, 2011, is excerpted from the consolidated audited financial statements as of that date but does not include certain information and footnotes required by accounting principles generally accepted in the United States for complete financial statements.