Note 3. Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended
	Nov. 30, 2012	Jul. 31, 2012
Business Acquisition, Purchase Price Allocation, Intangible Assets Other than Goodwill	$ 1,100	$ 1,825
Payments to Acquire Intangible Assets	500	1,300
Business Acquisition, Contingent Consideration, at Fair Value	$ 600	$ 525
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life	7 years	7 years