XML 57 R44.htm IDEA: XBRL DOCUMENT v3.7.0.1
Borrowings - Additional Information (Detail)
3 Months Ended 6 Months Ended
Jun. 29, 2017
USD ($)
$ / shares
shares
Apr. 18, 2017
USD ($)
$ / shares
shares
Aug. 10, 2015
d
$ / shares
Jun. 30, 2017
USD ($)
$ / shares
Jun. 30, 2016
USD ($)
Jun. 30, 2017
USD ($)
$ / shares
Jun. 30, 2016
USD ($)
Dec. 31, 2016
USD ($)
Dec. 31, 2015
USD ($)
Jul. 28, 2015
USD ($)
Jul. 01, 2013
USD ($)
Debt Instrument [Line Items]                      
Loss on extinguishment of debt       $ (830,000)   $ (830,000)          
Cash and cash equivalents       43,384,000 $ 63,733,000 43,384,000 $ 63,733,000 $ 22,895,000 $ 59,074,000    
Facility Agreement, total principle payment in 2017       10,000,000   10,000,000          
Facility Agreement, total principle payment in 2018       20,000,000   20,000,000          
Facility Agreement, total principle payment in 2019       30,000,000   30,000,000          
Other liabilities       103,000,000   103,000,000   123,200,000      
Milestone Rights Liability                      
Debt Instrument [Line Items]                      
Other liabilities       18,200,000   $ 18,200,000   18,400,000      
Deerfield                      
Debt Instrument [Line Items]                      
Principal repayment schedule, start date           Jul. 01, 2016          
Principal repayment schedule, end date           Dec. 09, 2019          
Deerfield | Milestone Rights Liability                      
Debt Instrument [Line Items]                      
Long term liability       8,900,000   $ 8,900,000          
Deerfield | Milestone Rights Liability | Maximum                      
Debt Instrument [Line Items]                      
Contingent liability for milestone payments       $ 90,000,000   $ 90,000,000         $ 90,000,000
Senior convertible notes due December 31, 2019                      
Debt Instrument [Line Items]                      
Exchange price per share | $ / shares   $ 1.22   $ 1.45   $ 1.45          
Loss on extinguishment of debt       $ 500,000   $ 500,000          
Accretion of debt issuance costs           300,000          
Cash repayment   $ 4,000,000                  
Debt extinguishment amount           5,000,000          
Debt facility principal amount       60,000,000   60,000,000   75,000,000      
Carrying value       57,484,000   57,484,000   71,339,000      
Senior convertible notes due December 31, 2019 | Less portion of commitment asset                      
Debt Instrument [Line Items]                      
Loss on extinguishment of debt       300,000   300,000          
Accretion of debt issuance costs           8,000,000,000          
Senior convertible notes due December 31, 2019 | Deerfield                      
Debt Instrument [Line Items]                      
Debt facility principal amount       $ 45,000,000   $ 45,000,000          
Senior notes, effective interest rate       9.75%   9.75%          
Accrued expenses       $ 1,600,000   $ 1,600,000          
Other current liabilities       1,600,000   1,600,000          
Other liabilities       8,900,000   8,900,000          
Senior convertible notes due December 31, 2019 | Deerfield | Facility Agreement Third Amendment [Member]                      
Debt Instrument [Line Items]                      
Cash repayment of senior notes under exchange agreement $ 10,000,000                    
Conversion of notes to common shares, value $ 5,000,000                    
Conversion Option, shares | shares 3,584,230                    
Exchange price per share | $ / shares $ 1.395                    
Cash $ 10,000,000                    
Senior convertible notes due December 31, 2019 | Deerfield | Minimum | Facility Agreement Third Amendment [Member]                      
Debt Instrument [Line Items]                      
Cash and cash equivalents 10,000,000                    
Cash $ 25,000,000                    
Senior convertible notes due December 31, 2019 | Deerfield | Less portion of commitment asset                      
Debt Instrument [Line Items]                      
Cash repayment of senior notes under exchange agreement   4,000,000                  
Conversion of notes to common shares, value   $ 1,000,000                  
Debt facility principal amount       $ 15,000,000   $ 15,000,000          
Senior notes, effective interest rate       8.75%   8.75%          
Senior convertible notes due December 31, 2019 | Deerfield | Less portion of commitment asset | Facility Agreement                      
Debt Instrument [Line Items]                      
Available amount of credit facility under covenant restrictions       $ 10,000,000   $ 10,000,000          
Senior convertible notes due December 31, 2019 | Deerfield | Less portion of commitment asset | Minimum                      
Debt Instrument [Line Items]                      
Available amount of credit facility under covenant restrictions       25,000,000   25,000,000          
Senior convertible notes due December 31, 2019 | Deerfield | Less portion of commitment asset | Minimum | Facility Agreement                      
Debt Instrument [Line Items]                      
Available amount of credit facility under covenant restrictions       25,000,000   25,000,000          
Senior convertible notes due December 31, 2019 | Deerfield | Tranche B Exchange Shares                      
Debt Instrument [Line Items]                      
Conversion Option, shares | shares   869,565                  
Exchange price per share | $ / shares   $ 1.15                  
Senior convertible notes due December 31, 2019 | Deerfield | Tranche 1 Notes                      
Debt Instrument [Line Items]                      
Conversion of notes to common shares, value   $ 5,000,000                  
Conversion Option, shares | shares   4,347,826                  
Senior convertible notes due December 31, 2019 | Deerfield | Milestone Rights Liability                      
Debt Instrument [Line Items]                      
Long term liability       7,200,000   7,200,000   8,900,000      
Senior convertible notes due December 31, 2019 | Deerfield | Milestone Rights Liability | Danbury Facility                      
Debt Instrument [Line Items]                      
Carrying value       27,900,000   27,900,000          
5.75% Senior convertible notes due August 15, 2018                      
Debt Instrument [Line Items]                      
Accretion of debt issuance costs       68,000 $ 63,000 134,000 $ 126,000        
Debt facility principal amount       27,690,000   27,690,000   27,690,000      
Senior notes, effective interest rate     5.75%                
Carrying value       $ 27,649,000   $ 27,649,000   $ 27,635,000      
No of convertible shares     29                
Principal amount per share | $ / shares     $ 1,000                
Conversion price of shares | $ / shares     $ 34.00                
Percentage of repurchase price     100.00%                
Debt Instrument, redemption description           On or after the date that is one year following the original issue date of the 2018 notes, the Company will have the right to redeem for cash all or part of the 2018 notes if the last reported sale price of its common stock exceeds 130% of the conversion price then in effect for 20 or more trading days during the 30 consecutive trading day period ending on the trading day immediately prior to the date of the redemption notice. The redemption price will equal the sum of 100% of the principal amount of the 2018 notes to be redeemed, plus accrued and unpaid interest.          
Percentage of conversion price equaling stock price     130.00%                
Number of trading days | d     20                
Consecutive trading days     30 days                
Debt Issuance Cost                   $ 800,000