Stock-Based Awards (Details 1) (Stock Unit Award [Member], USD $)	1 Months Ended		12 Months Ended
	May 31, 2011	Apr. 30, 2010	Dec. 31, 2012 Stock Incentive Plan 2006 [Member]		Dec. 31, 2011 Stock Incentive Plan 2006 [Member]		Dec. 31, 2010 Stock Incentive Plan 2006 [Member]
Number of Shares, Outstanding & Unvested			119,100		94,700		42,600
Number of Shares, Granted	59,000		65,000		59,000		94,000
Number of Shares, Converted to common stock			(46,625)	[1]	(34,600)	[1]	(21,550)	[1]
Number of Shares, Terminated		20,350	0		0		(20,350)
Number of Shares, Outstanding & Unvested			137,475		119,100		94,700
Number of Shares, Available for grant			220,069
Weighted Average Remaining Contractual Life, Outstanding & Unvested			2 years 9 months 18 days
Aggregate Intrinsic Value, Converted to common stock			$ 458,211	[2]	$ 355,351	[2]	$ 179,801	[2]
Aggregate Intrinsic Value, Outstanding & Unvested			$ 1,477,856	[2]

[1] Figure includes 9,619 shares in 2012, 8,406 shares in 2011 and 6,064 shares in 2010 withheld to cover federal income taxes.

[2] The aggregate intrinsic value on this table was calculated based on the closing market price of the Company's stock on December 31, 2012 ($10.75). For value on the converted stock, the price used is the price on the grant date.