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) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Sep. 30, 2014
Preferred Stock
Feb. 28, 2014
Preferred Stock
Feb. 28, 2014
Common Stock
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]          
Financial assets measured on a recurring basis $ 0 $ 0      
Outstanding warrants exercisable       2,344,731 159,834
Outstanding warrants exercisable to preferred shares     0