Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Summary of Non-Redeemable Convertible Preferred Stock (Details)

v3.6.0.2
Stockholders' Equity - Summary of Non-Redeemable Convertible Preferred Stock (Details)
12 Months Ended
Dec. 31, 2013
$ / shares
shares
Dec. 31, 2016
shares
Temporary Equity [Line Items]    
Shares authorized   10,000,000
Share issued   0
Series A Nonredeemable Convertible Preferred Stock    
Temporary Equity [Line Items]    
Shares authorized 100,000  
Share issued 66,666  
Par value | $ / shares $ 0.001  
Conversion rate 1.01706  
Liquidation preference per share | $ / shares $ 3.750  
Dividend rate 5.00%  
Issue date 2002-05