Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements. (Tables)

v3.21.1
Fair Value Measurements. (Tables)
 12 Months Ended
Dec. 31, 2020
Fair Value Disclosures [Abstract]  
Schedule of used and related fair value for the warrants
Original
Issuance		   Exercise
Price		     Volatility     Risk Free
Interest
Rate		     Term
(years)		     Fair Value  
12/22/19   $ 1.00       178.0 %     0.08 %         0.10     $ 8,474  
Original
Issuance		   Exercise
Price		     Volatility     Risk Free
Interest
Rate		     Term
(years)		     Fair Value  
12/22/19   $ 1.00       76.0 %     1.66 %     3.00     $ 977  
Schedule of fair value of pre-funded warrants and other warrants
Warrant Type   Valuation Date   Exercise
Price		     Volatility     Risk Free
Interest
Rate		     Term
(years)		     Fair Value  
Pre-funded   10/28/2020   $ 0.01       97.0 %     0.34 %     5.00     $ 23,638  
Other   10/28/2020   $ 9.76       134.0 %     0.14 %     1.50     $ 27,048  
Pre-funded   11/16/2020   $ 0.01       97.0 %     0.40 %     4.95     $ 21,916  
Other   11/24/2020   $ 9.76       135.0 %     0.13 %     1.45     $ 31,231  
Schedule of fair values of warrants based on unobservable inputs
    Warrants to
Senior
Noteholders		     Pre-funded
Warrants		     Other
Warrants		  
Balance, December 31, 2019   $ 977     $ —     $ —  
Issuance of warrants in October offering     —       23,638       27,048  
Exercise of warrants/reclass to equity     (8,474 )     (21,917 )     (31,231 )
Adjustments to fair value for the period     7,497       (1,721 )     4,183  
Balance, December 31, 2020   $ —     $ —     $ —  
Schedule of recurring and nonrecurring fair value measurements
    Fair
Value		     Level 1     Level 2     Level 3     Benefit Plan
Percentage
Allocation		  
Assets:                              
Derivative financial instruments   $ 17,149     $ 17,149     $ —     $ —          
Long-lived assets held-for-sale     58,295       —       —       58,295          
Defined benefit plan assets(1) (pooled separate accounts):                                        
Large U.S. Equity(2)     5,470       —       5,470       —       31 %
Small/Mid U.S. Equity(3)     2,605       —       2,605       —       15 %
International Equity(4)     2,921       —       2,921       —       17 %
Fixed Income(5)     6,592       —       6,592       —       37 %
    $ 93,032     $ 17,149     $ 17,588     $ 58,295          
                                         
Liabilities:                                        
    $ —     $ —     $ —     $ —          
    Fair
Value		     Level 1     Level 2     Level 3     Benefit Plan
Percentage
Allocation		  
Assets:                              
Derivative financial instruments   $ 2,438     $ 2,438     $ —     $ —          
Long-lived assets held-for-sale     70,400       —       —       70,400          
Defined benefit plan assets(1) (pooled separate accounts):                                        
Large U.S. Equity(2)     4,654       —       4,654       —       30 %
Small/Mid U.S. Equity(3)     2,348       —       2,348       —       15 %
International Equity(4)     2,596       —       2,596       —       17 %
Fixed Income(5)     6,056       —       6,056       —       38 %
    $ 88,492     $ 2,438     $ 15,654     $ 70,400          
                                         
Liabilities:                                        
Derivative financial instruments   $ (1,860 )   $ (1,860 )   $ —     $ —          
Warrants     (977 )     —       —       (977 )        
    $ (2,837 )   $ (1,860 )   $ —     $ (977 )