Stock Option Plans (Tables)

12 Months Ended

Dec. 31, 2012

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Stock Option Activity

	2012			2011
Options outstanding  at the beginning of the year		943,000			838,950
Options granted		215,438			185,500
Options forfeited		(6,250	)		(2,000	)
Options exercised		(33,500	)		(79,450	)
Options outstanding at the end of the year		1,118,688			943,000
Options exercisable at the end of the year		672,125			554,500
Common stock available for future grants at the end of the year		61,500			107,438
Weighted average exercise price per share:
Granted	$	10.47		$	9.67
Forfeited		6.98			10.10
Exercised		5.13			3.31
Outstanding		10.96			10.84
Exercisable		11.65			11.69

Summary of Options Outstanding

	Options Outstanding						Options Exercisable
Range of Exercise Prices	Number Outstanding		Weighted-Average Remaining Contractual Life (Years)		Weighted-Average Exercise Price		Number Exercisable		Weighted-Average Exercise Price
$1.70 to $5.11		58,750	< 1		$	3.73		58,750	$	3.73
$5.12 to $8.51		156,000		7		7.71		90,000		7.57
$8.52 to $10.21		367,500		9		9.82		63,500		9.77
$10.22 to $13.62		121,000		7		12.98		103,500		12.95
$13.63 to $17.02		239,750		4		15.16		238,750		15.16
		943,000						554,500

Assumptions Used to Value Option Grants

	2012		2011
Expected life in years		5		5
Interest rate		0.60 – .92%		0.91 – 2.10%
Volatility		.327-.333		.327-.330
Dividend yield		2.50% - 2.70%		2.37% - 2.70%