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Note 3. Stock-based Compensation (Details) (USD $)
3 Months Ended 9 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Mar. 31, 2012
Details        
Allocated Share-based Compensation Expense $ 20,326 $ 19,063 $ 68,737 $ 51,392
Common Stock, Capital Shares Reserved for Future Issuance 107,415   107,415  
Uncrecognized stock-based compensation expense 467,589   467,589  
Employee Service Share Based Compensation Unrecognized Compensation Costs On Nonvested Awards Weighted Average Period Of Recognition four to ten years      
Aggregate intrinsic value of options exercised $ 802