Note 6. Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended			3 Months Ended
	Mar. 31, 2013	Nov. 30, 2012	Jul. 31, 2012	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013
Details
Finite-lived Intangible Assets Acquired		$ 1,100	$ 1,825
Payments to Acquire Intangible Assets		500	1,300
Business Combination, Contingent Consideration, Liability		600	525	300
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life		7 years		7 years
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	342				300
Finite-Lived Intangible Assets, Period Increase (Decrease)	$ (183)					$ (183)