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6. Courseware (Details) (USD $)
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Jul. 31, 2013
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Apr. 30, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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|---|---|---|---|---|
| Intangible Assets Details [Abstract] | ||||
| Courseware | $ 2,098,038 | $ 2,097,538 | $ 2,097,538 | $ 2,072,238 |
| Accumulated amortization | (1,919,914) | (1,889,443) | (1,843,967) | (1,702,407) |
| Courseware, net | $ 178,124 | $ 208,095 | $ 253,571 | $ 369,831 |
| X | ||||||||||
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- Details
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| X | ||||||||||
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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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| X | ||||||||||
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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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| X | ||||||||||
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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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