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           6. Courseware (Details) (USD $) 
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           Dec. 31, 2012 
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           Dec. 31, 2011 
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|---|---|---|
| Courseware Details | ||
| Courseware | $ 2,097,538 | $ 2,072,238 | 
| Accumulated amortization | (1,843,967) | (1,702,407) | 
| Courseware, net | $ 253,571 | $ 369,831 | 
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- Details 
          
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- Definition 
          Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Definition 
          Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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