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Note 5 - Debt and Finance Leases (Details Textual) - USD ($)
9 Months Ended
Jun. 15, 2022
Feb. 26, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Proceeds from Issuance of Debt     $ 49,000,000 $ 215,000,000  
Two Thousand Twenty One Notes Embedded Derivative [Member]          
Embedded Derivative, Fair Value of Embedded Derivative Liability   $ 12,000,000 4,000,000   $ 4,000,000
Two Thousand Twenty One Convertible Debt [Member]          
Debt Instrument, Interest Rate, Stated Percentage   5.00%      
Debt Instrument, Face Amount   $ 25,000,000      
Debt Conversion, Converted Instrument, Shares Issued (in shares)   100      
Debt Conversion, Converted Instrument, Amount   $ 1,000      
Initial Conversion Price Per Share of Common Stock (in dollars per share)   $ 10.00      
Debt Instrument, Convertible, Stock Price Trigger (in dollars per share)   $ 14.50      
Debt Instrument, Convertible, Threshold Consecutive Trading Days   60      
Holder Fundamental Transaction Election Period (Day)   30 days      
Convertible Notes Payable, Noncurrent     17,000,000   15,000,000
Debt Instrument, Unamortized Discount, Total     9,000,000   $ 11,000,000
Convertible Debt, Fair Value Disclosures     $ 16,000,000    
Two Thousand Twenty One Convertible Debt [Member] | Minimum [Member]          
Debt Instrument, Convertible, Threshold Trading Days   45      
Term Loan Credit Agreement [Member]          
Long-Term Debt, Total   $ 225,000,000      
Long Term Debt, Maximum Additional Proceeds $ 50,000,000 50,000,000      
Proceeds from Issuance of Debt 49,000,000 215,000,000      
Debt Issuance Costs, Net, Total $ 1,000,000 $ 10,000,000      
Debt Instrument, Interest Rate, Stated Percentage   12.50%      
Term Loan Credit Agreement [Member] | UNITED STATES | Subsidiaries [Member]          
Percentage of Material Stock   100.00%      
Term Loan Credit Agreement [Member] | Non-US [Member] | Subsidiaries [Member]          
Percentage of Material Stock   65.00%      
Term Loan Credit Agreement [Member] | Term Loans [Member] | Paid In Cash Interest [Member]          
Debt Instrument, Interest Rate, Stated Percentage   8.50%      
Term Loan Credit Agreement [Member] | Term Loans [Member] | Paid In Kind Interest [Member]          
Debt Instrument, Interest Rate, Stated Percentage   4.00%