XML 72 R61.htm IDEA: XBRL DOCUMENT v3.22.1
Fair Value of Financial Instruments - Schedule of Debt (Details) - USD ($)
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Jan. 23, 2022
Aug. 02, 2021
Nov. 30, 2019
Debt Instrument [Line Items]          
Par Value $ 90,578,000 $ 72,416,000      
Carrying Value          
Debt Instrument [Line Items]          
Debt 100,032,000 71,047,000      
Fair Value          
Debt Instrument [Line Items]          
Debt 121,050,000 99,432,000      
Bridge Loans          
Debt Instrument [Line Items]          
Par Value 25,000,000 0      
Debt 35,655,000 0 $ 25,000,000    
Bridge Loans | Carrying Value          
Debt Instrument [Line Items]          
Debt 35,655,000 0      
Bridge Loans | Fair Value          
Debt Instrument [Line Items]          
Debt 35,655,000 0      
Convertible Debt          
Debt Instrument [Line Items]          
Par Value 55,578,000 55,578,000      
Convertible Debt | Carrying Value          
Debt Instrument [Line Items]          
Debt 54,271,000 54,160,000      
Convertible Debt | Fair Value          
Debt Instrument [Line Items]          
Debt 75,599,000 82,481,000      
Convertible Debt | 2014 Notes          
Debt Instrument [Line Items]          
Par Value 578,000 578,000      
Convertible Debt | 2014 Notes | Carrying Value          
Debt Instrument [Line Items]          
Debt 568,000 568,000      
Convertible Debt | 2014 Notes | Fair Value          
Debt Instrument [Line Items]          
Debt 601,000 601,000      
Convertible Debt | 2019 Notes          
Debt Instrument [Line Items]          
Par Value 55,000,000 55,000,000     $ 55,000,000
Convertible Debt | 2019 Notes | Carrying Value          
Debt Instrument [Line Items]          
Debt 53,703,000 53,592,000      
Convertible Debt | 2019 Notes | Fair Value          
Debt Instrument [Line Items]          
Debt 74,998,000 81,880,000      
Secured Debt          
Debt Instrument [Line Items]          
Par Value 10,000,000 10,000,000   $ 10,000,000  
Secured Debt | Carrying Value          
Debt Instrument [Line Items]          
Debt 10,106,000 10,049,000      
Secured Debt | Fair Value          
Debt Instrument [Line Items]          
Debt 9,796,000 10,113,000      
Line of Credit | Revolving Credit Facility          
Debt Instrument [Line Items]          
Advances under revolving credit agreement 0 6,838,000      
Line of Credit | Carrying Value | Revolving Credit Facility          
Debt Instrument [Line Items]          
Advances under revolving credit agreement 0 6,838,000      
Line of Credit | Fair Value | Revolving Credit Facility          
Debt Instrument [Line Items]          
Advances under revolving credit agreement $ 0 $ 6,838,000