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Summary of Significant Accounting Policies (Details 3)
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3 Months Ended | 12 Months Ended | 3 Months Ended | 12 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|
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Mar. 31, 2014
Revenue
Customer concentration risk
Two contracts with same university
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Mar. 31, 2013
Revenue
Customer concentration risk
Two contracts with same university
|
Mar. 31, 2014
Revenue
Customer concentration risk
One contract with a university
|
Mar. 31, 2013
Revenue
Customer concentration risk
One contract with a university
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Mar. 31, 2014
Accounts receivable
Credit concentration risk
Two contracts with same university
|
Dec. 31, 2013
Accounts receivable
Credit concentration risk
Two contracts with same university
|
Mar. 31, 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 | 61.00% | 74.00% | 13.00% | 10.00% | 47.00% | 51.00% | 13.00% | 3.00% |