Note 10. Stock-based Compensation: Stock Incentive Plans (Details)	9 Months Ended
	Sep. 30, 2015 USD ($) shares
Details
Shares available for grant | shares	633,730
Annual retainer, non-employee directors	$ 60,000
Annual retainer, audit committee chair	65,000
Annual retainer, cash portion	30,000
Annual retainer, audit committee chair cash portion	35,000
Annual Retainer, Paid in Common Stock	$ 30,000
Annual Retainer, Options Granted | shares	3,000
Shares available for grant, Director Plan | shares	175,000