Note 3. Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended		3 Months Ended		12 Months Ended
	Nov. 30, 2012	Jul. 31, 2012	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2013	Dec. 31, 2012
Details
Finite-lived Intangible Assets Acquired	$ 1,100	$ 1,825				$ 2,925
Payments to Acquire Intangible Assets	500	1,300
Business Combination, Contingent Consideration, Liability	600	525	300		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			300	342
Finite-Lived Intangible Assets, Period Increase (Decrease)					$ 183