Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Series D Convertible Preferred Stock) (Details)

v3.6.0.2
Stockholders' Equity (Series D Convertible Preferred Stock) (Details) - Series D Preferred Stock - $ / shares
Dec. 31, 2016
Jun. 30, 2016
Apr. 13, 2016
Mar. 24, 2016
Class of Stock [Line Items]        
Preferred stock, shares outstanding (in shares) 0 0 0  
Preferred stock, shares issued (in shares) 0 0   110
Preferred stock, par value (in dollars per share) $ 1,000 $ 1,000   $ 1,000
Convertible preferred stock, shares issued upon conversion (in shares)       167
Beneficial ownership interest percentage threshold       9.99%