Earnings (Loss) Per Share (Details)	12 Months Ended
	Dec. 31, 2012		Dec. 31, 2011		Dec. 31, 2010
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Weighted average shares of common stock used in basic earnings per share	5,711,815	[1]	5,424,927	[1]	5,363,543
Effects of puttable common stock			10,922	[1]
Weighted average shares of common stock used in diluted earnings per share	5,711,815	[1]	5,435,849	[1]	5,407,994
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effects of stock options					24,621
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Effects of stock options					19,830

[1] Basic and diluted weighted average shares are the same for the year s ended December 31, 2012 and 2011 because the effects of the potentially diluted securities were anti-dilutive and they were excluded from the calculation.