• Filing Date: 2018-08-20
  • Form Type: 10-Q
  • Description: Quarterly report
v3.10.0.1
8.50% Senior Unsecured Convertible Notes (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Jul. 28, 2017
USD ($)
Jul. 26, 2017
USD ($)
Apr. 18, 2017
Mar. 14, 2017
USD ($)
Feb. 15, 2017
Feb. 21, 2014
Feb. 28, 2014
USD ($)
d
$ / shares
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
Jun. 30, 2015
$ / shares
shares
Jun. 30, 2018
USD ($)
Jun. 30, 2017
USD ($)
Dec. 31, 2017
USD ($)
[1]
Feb. 14, 2017
Debt Instrument [Line Items]                            
Interest paid in kind                     $ 0 $ 3,477    
Existing Note Holders | Exchange Offers                            
Debt Instrument [Line Items]                            
Percentage of holders tendering exchange offer, minimum (as percent)     98.00%                      
8.50% Senior Unsecured Convertible Notes                            
Debt Instrument [Line Items]                            
Stated interest rate (as percent)               8.50% 8.50%   8.50% 8.50%    
Convertible notes, net of discount               $ 1,139     $ 1,139   $ 1,098  
5.0% Senior Unsecured Convertible Notes Due 2023                            
Debt Instrument [Line Items]                            
Stated interest rate (as percent)               5.00%     5.00%      
Convertible notes, net of discount               $ 69,222     $ 69,222   $ 68,654  
Convertible Notes | 8.50% Senior Unsecured Convertible Notes                            
Debt Instrument [Line Items]                            
Debt instrument issued $ 73,000 $ 74,200         $ 70,700 1,200     $ 1,200      
Stated interest rate (as percent)             8.50%              
Debt instrument, due date                     2019      
Debt instrument, issuance date           Feb. 21, 2014                
Debt instrument, maturity date                     Feb. 15, 2019      
Debt instrument, frequency of periodic payment                     semi-annually in arrears on August 15 and February 15 of each year      
Debt instrument, conversion shares per $1,000 of principal amount (in shares)             147.9290     151.7912        
Debt instrument, conversion rate             0.147929              
Debt instrument, conversion price (in usd per share) | $ / shares             $ 6.76     $ 6.59        
Common stock issued for rights offering, net of costs (in shares) | shares                   6,688,433        
Debt instrument, redemption start date         Feb. 15, 2017                  
Debt instrument, convertible, minimum percentage of common stock price (as percent)             130.00%              
Debt instrument, convertible, threshold trading days | d             20              
Debt instrument, convertible, threshold consecutive trading days | d             30              
Debt instrument, redemption price, percentage (as percent)             100.00%              
Interest paid in kind 2,800                          
Debt restructuring, amount reclassified to succeeding debt instrument 7,700                          
Debt restructuring, debt discount reclassified to succeeding instrument 6,700                          
Debt instrument, debt issuance costs reclassified to succeeding debt instrument $ 991                          
Convertible notes, net of discount               1,100     $ 1,100      
Unamortized debt discount               48     48      
Debt instrument origination cost               7     7      
Interest expense debt               46 $ 2,600   92 $ 5,800    
Interest included in interest expense               25 1,600   51 3,100    
Amortization of debt discounts               18 922   36 1,800    
Payments of debt issuance costs               $ 3 $ 137   $ 5 $ 264    
Convertible Notes | Additional 8.50% Convertible Notes                            
Debt Instrument [Line Items]                            
Debt instrument issued       $ 3,500                    
Stated interest rate (as percent)                           8.50%
Percentage of aggregate principal amount of convertible notes (as percent)       98.00%                    
Convertible Notes | 5.0% Senior Unsecured Convertible Notes Due 2023                            
Debt Instrument [Line Items]                            
Stated interest rate (as percent)     5.00%                      
Percentage of holders tendering exchange offer, minimum (as percent)   98.00%                        
[1] Derived from audited consolidated financial statements.