Consolidated Balance Sheets (Parenthetical) (USD $)	Sep. 30, 2013	Dec. 31, 2012
Common stock, par value
Common stock, shares authorized	7,000,000	7,000,000
Common stock, shares issued	3,263,677	3,169,987
Common stock, shares outstanding	3,263,677	3,169,987
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued
Restricted Stock Units (RSUs) [Member]
Unvested shares	332,339	319,988

Face amount per share of no-par value common stock.

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