Quarterly report pursuant to Section 13 or 15(d)

Underwritten and Registered Direct Placement of Common Stock (Details)

v2.4.1.9
Underwritten and Registered Direct Placement of Common Stock (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
0 Months Ended
May 06, 2014
May 06, 2014
Stockholders' Equity    
Public offering of common stock (in shares) 18.8us-gaap_StockIssuedDuringPeriodSharesNewIssues  
Share price (in dollars per share)   $ 1.70us-gaap_SharePrice
Net proceeds from sale of the common stock, after deducting fees and other offering expenses (in dollars) $ 29.8us-gaap_ProceedsFromIssuanceOfCommonStock