Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Additional Information (Details)

v2.4.0.8
Fair Value Measurements - Additional Information (Details)
Jun. 30, 2014
Feb. 28, 2014
Preferred Stock
   
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Outstanding warrants exercisable   2,344,731
Outstanding warrants exercisable to preferred shares 0  
Common Stock
   
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Outstanding warrants exercisable   159,834