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DEBT - Narrative (Details) - USD ($)
shares in Millions
1 Months Ended 12 Months Ended
Jun. 04, 2021
Oct. 23, 2020
Sep. 30, 2020
Jan. 31, 2021
Dec. 31, 2021
Jul. 01, 2021
Debt Instrument [Line Items]            
Stock issued during period, conversion of convertible securities (in shares) 6.9          
Convertible Notes            
Debt Instrument [Line Items]            
Option to extend maturity date, period   1 year        
Debt instrument, face amount   $ 50,000,000        
Debt conversion, converted instrument, amount $ 50,000,000          
Convertible Notes | Interest Period Three            
Debt Instrument [Line Items]            
Interest rate   9.00%        
Convertible Notes | Interest Period Two            
Debt Instrument [Line Items]            
Interest rate   7.00%        
Convertible Notes | Interest Period One            
Debt Instrument [Line Items]            
Interest rate   5.00%        
Secured Debt | Term Loan            
Debt Instrument [Line Items]            
Line of credit facility, maximum borrowing capacity     $ 5,000,000      
Draw down amount per tranche     $ 2,500,000      
Secured Debt | Prime Rate | Minimum | Term Loan            
Debt Instrument [Line Items]            
Basis spread on variable rate     3.00%      
Secured Debt | Prime Rate | Maximum | Term Loan            
Debt Instrument [Line Items]            
Basis spread on variable rate     6.25%      
Revolving Credit Facility | Line of Credit            
Debt Instrument [Line Items]            
Line of credit facility, capacity available for trade purchases       $ 1,000,000   $ 6,000,000
Debt instrument, payment period after initial payment date       90 days    
Line of credit, current         $ 3,400,000  
Revolving Credit Facility | Minimum | Line of Credit            
Debt Instrument [Line Items]            
Line of credit facility, interest rate         0.87%  
Revolving Credit Facility | Maximum | Line of Credit            
Debt Instrument [Line Items]            
Line of credit facility, interest rate         1.25%  
Revolving Credit Facility | Line of Credit            
Debt Instrument [Line Items]            
Line of credit facility, maximum borrowing capacity     $ 5,000,000      
Adjusted quick ratio     1.25      
Threshold for cash balance and revolving line of credit     $ 20,000,000      
Revolving Credit Facility | Line of Credit | Prime Rate | Minimum            
Debt Instrument [Line Items]            
Basis spread on variable rate     2.00%      
Revolving Credit Facility | Line of Credit | Prime Rate | Maximum            
Debt Instrument [Line Items]            
Basis spread on variable rate     5.25%