Note 8. Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified		1 Months Ended
	Feb. 29, 2012	Jul. 31, 2012 Contractual Rights	Feb. 29, 2012 CPR Acquiree Member Customer Relationships
Business Acquisition Cost Of Acquired Entity Cash Paid	$ 275
Finite-lived Intangible Assets Acquired			327
Acquired Finite Lived Intangible Assets Weighted Average Useful Life		7 years	5 years
Business Acquisition, Purchase Price Allocation, Intangible Assets Other than Goodwill		1,825
Payments to Acquire Intangible Assets		1,300
Business Acquisition, Contingent Consideration, at Fair Value		$ 525