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
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%