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           10. Significant Customer Concentrations 
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        3 Months Ended | 
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           Jun. 30, 2012 
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| Notes to Financial Statements | |
| Note 10. Significant Customer Concentrations | 
 For the three months ended June 30, 2012, one customer represented 28% of the quarters revenue, and for the three months ended June 30, 2011, one customer represented 19% of the quarters revenue. 
 At June 30, 2012, one customer represented 26%, and one customer represented 11% of the net accounts receivable balance. At March 31, 2012, one customer represented 13% and two customers each represented 12% of the net accounts receivable balance.  | 
      
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- Details 
          
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- Definition 
          Disclosure of accounting policy for major customers. Major customers are those that the loss of such customers would have a material adverse effect on the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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