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Summary of Significant Accounting Policies (Details 3)
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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
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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
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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
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| 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% |