Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Consolidated Balance Sheets [Abstract]
Common stock, par value
Common stock, shares authorized	5,000,000	5,000,000
Common stock, shares issued	2,424,644	2,388,225
Common stock, shares outstanding	2,424,644	2,388,225