v2.4.0.8

Summary of Significant Accounting Policies (Details 3) | 3 Months Ended | 6 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended | 6 Months Ended | 12 Months Ended
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Jun. 30, 2014 Revenue Customer concentration risk Two contracts with same university | Jun. 30, 2013 Revenue Customer concentration risk Two contracts with same university | Jun. 30, 2014 Revenue Customer concentration risk Two contracts with same university | Jun. 30, 2013 Revenue Customer concentration risk Two contracts with same university | Jun. 30, 2014 Revenue Customer concentration risk One contract with a university | Jun. 30, 2013 Revenue Customer concentration risk One contract with a university | Jun. 30, 2014 Revenue Customer concentration risk One contract with a university | Jun. 30, 2013 Revenue Customer concentration risk One contract with a university | Jun. 30, 2014 Accounts receivable Credit concentration risk Two contracts with same university | Dec. 31, 2013 Accounts receivable Credit concentration risk Two contracts with same university | Jun. 30, 2014 Accounts receivable Credit concentration risk One contract with a university | Dec. 31, 2013 Accounts receivable Credit concentration risk One contract with a university
Concentration of Credit Risk |  |  |  |  |  |  |  |  |  |  |  |
Percentage of concentration of credit risk | 54.00% | 68.00% | 58.00% | 71.00% | 16.00% | 18.00% | 16.00% | 17.00% | 32.00% | 51.00% | 31.00% | 3.00%

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- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13537-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=28364263&loc=d3e13531-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 + Details
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