Quarterly report pursuant to Section 13 or 15(d)

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

v3.6.0.2
Stockholders' Equity (Series B Convertible Preferred Stock) (Details) - USD ($)
$ / shares in Units, $ in Thousands
Jun. 11, 2015
Sep. 16, 2013
Dec. 31, 2016
Jul. 07, 2016
Jun. 30, 2016
Class of Stock [Line Items]          
Redemption price (in dollars per share)       $ 5.20  
Series B Convertible Preferred Stock          
Class of Stock [Line Items]          
Preferred stock, shares authorized (in shares)   50,000 50,000   50,000
Preferred stock, par value (in dollars per share)   $ 1,000 $ 1,000   $ 1,000
Redemption price (in dollars per share)   $ 23      
Minimum percentage of capital stock sold to be considered and fundamental transaction   90.00%      
Voting percentage of surviving entity, minimum   50.00%      
Capital stock aggregate implied value   $ 125,000      
Voting percentage required to create, issue or amend preferred stock   51.00%      
Preferred stock, shares outstanding (in shares)     0   0
Clause Two | Series B Convertible Preferred Stock          
Class of Stock [Line Items]          
Minimum shares of stock trading per day (in shares)   1,250      
Minimum | Clause One | Five Days | Series B Convertible Preferred Stock          
Class of Stock [Line Items]          
Share price (in dollars per share)   $ 33.4      
Line of Credit | Line of Credit Grid Note          
Class of Stock [Line Items]          
Debt default, term after due date (in days) 5 days 5 days