Consolidated Balance Sheets (Parenthetical) (USD $)	Mar. 31, 2012	Dec. 31, 2011
Consolidated Balance Sheets [Abstract]
Preferred stock, par value
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares outstanding	21,000	21,000
Common stock, par value
Common stock, shares authorized	20,000,000	20,000,000
Common stock, shares outstanding	8,608,544	8,605,391