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Note 9. Stock-based Compensation: Schedule of Stock Based Compensation (Details) (USD $)
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Stock-based compensation $ (135,703)us-gaap_ShareBasedCompensation $ (206,513)us-gaap_ShareBasedCompensation
Cost of Sales    
Stock-based compensation 6,857us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfSalesMember		 15,312us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_CostOfSalesMember
Research and Development Expense    
Stock-based compensation 14,743us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember		 45,641us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_ResearchAndDevelopmentExpenseMember
Selling, General and Administrative Expenses    
Stock-based compensation $ 114,103us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember		 $ 145,560us-gaap_ShareBasedCompensation
/ us-gaap_IncomeStatementLocationAxis
= us-gaap_SellingGeneralAndAdministrativeExpensesMember