Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2011	Dec. 31, 2010
Consolidated Balance Sheets [Abstract]
Common stock, par value
Common stock, shares authorized	7,000,000	7,000,000
Common stock, shares issued	2,995,814	2,795,683
Common stock, shares outstanding	2,995,814	2,795,683
Preferred stock, shares issued
Preferred stock, shares authorized	1,000,000	1,000,000

Issuance value per share of no-par value common stock; generally not indicative of the fair market value per share.

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