Note 9. Common Stock (Details) (USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2012		Feb. 29, 2012	Dec. 31, 2011
Common Stock Dividends Shares	1,638,849	[1]
Historical Common Dividend Per Share Prior To 2012			$ 0.05
Anticipated Common Dividend Per Share Effective In 2012			$ 0.07
Common Stock, shares authorized	23,000,000			20,000,000
RETAINED EARNINGS
Stock Issued During Period Value Stock Dividend	15,799	[2]

[1] 10% stock dividend payable to shareholders of record on 2/17/2012 with a distribution date of 3/5/2012.

[2] 10% stock dividend payable to shareholders of record on 2/17/2012 with a distribution date of 3/5/2012