Quarterly report pursuant to Section 13 or 15(d)

Loans Payable (Line of Credit Promissory Note) (Details)

v3.6.0.2
Loans Payable (Line of Credit Promissory Note) (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Aug. 22, 2016
Oct. 24, 2014
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2016
Jun. 30, 2016
Jun. 30, 2015
Sep. 30, 2016
Dec. 15, 2014
Sep. 16, 2013
May 10, 2012
Line of Credit Facility [Line Items]                      
Number of warrants issued (in shares)                     1,068
Outstanding balances     $ 10,794,000   $ 10,794,000 $ 28,712,000          
Warrants, exercise price per share (in dollars per shares)                   $ 2,000 $ 12,800
SIC III Line Of Credit Note | Line of Credit                      
Line of Credit Facility [Line Items]                      
Long-term debt               $ 19,666,000      
Affiliated Entity | Securities Purchase Agreement                      
Line of Credit Facility [Line Items]                      
Stock compensation expense related to issuance of warrants             $ 2,049,000        
Affiliated Entity | Securities Purchase Agreement | Series C Convertible Redeemable Preferred Stock                      
Line of Credit Facility [Line Items]                      
Temporary equity, shares subscribed but unissued, subscriptions receivable   $ 10,000,000                  
Affiliated Entity | Securities Purchase Agreement | SIC III Line Of Credit Note | Line of Credit                      
Line of Credit Facility [Line Items]                      
Outstanding balances               $ 20,000,000      
Affiliated Entity | Note Exchange Agreement                      
Line of Credit Facility [Line Items]                      
Debt converted value $ 30,175,000                    
Affiliated Entity | Note Exchange Agreement | Series C Preferred Stock                      
Line of Credit Facility [Line Items]                      
Shares issued in conversion (in shares) 30,175                    
Conversion to stock price (in dollars per share) $ 1,000                    
Affiliated Entity | Note Exchange Agreement | SIC III                      
Line of Credit Facility [Line Items]                      
Debt converted value $ 23,264,000                    
Affiliated Entity | Note Exchange Agreement | SIC III | Series C Preferred Stock                      
Line of Credit Facility [Line Items]                      
Shares issued in conversion (in shares) 23,264                    
Line of Credit | Affiliated Entity | Securities Purchase Agreement | SIC III Line Of Credit Note                      
Line of Credit Facility [Line Items]                      
Temporary equity, shares subscribed but unissued, subscriptions receivable   30,000,000                  
Maximum borrowing capacity   $ 20,000,000                  
Number of warrants issued for every $1,000 advanced under line of credit   50,000                  
Exercise price above market value of common stock (as a percent)   10.00%                  
Stated interest rate (as a percent)   12.00%                  
Debt issue amount                 $ 15,500,000    
Debt discount percentage   3.00% 3.00%   3.00%            
Accretion of discount         $ 266,000            
Unamortized discount     $ 600,000   $ 600,000            
Stated interest rate in event of default (as a percent)   17.00%                  
Common stock, shares outstanding (in shares)                 38,750    
Warrants, exercise price per share (in dollars per shares)   $ 70.20             $ 72.60    
Exercisable period (in years)   5 years                  
Maximum loan to officer   $ 500,000                  
Limitation on indebtedness   1,000,000                  
Minimum sale amount for material technology or intellectual property, term (in years)           12 months          
Minimum sale amount for material technology or intellectual property   500,000                  
Minimum fair value of assets involved in payment, contribution or assignment   $ 1,000,000,000                  
Interest expense     $ 0 $ 613,000              
Line of Credit | Affiliated Entity | Securities Purchase Agreement | SIC III Line Of Credit Note | Initial Draw On Line Of Credit                      
Line of Credit Facility [Line Items]                      
Number of warrants issued (in shares)   1,000,000                  
Debt issue amount   $ 4,500,000                  
Common stock, shares outstanding (in shares)   11,250