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Debt - Streeterville Notes (Details)
$ in Thousands
1 Months Ended
Apr. 21, 2022
USD ($)
creditFacility
Apr. 27, 2021
USD ($)
creditFacility
Oct. 31, 2022
USD ($)
Apr. 30, 2022
USD ($)
Apr. 30, 2021
USD ($)
Sep. 30, 2022
USD ($)
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]              
Purchase price       $ 1,800 $ 1,500    
2022 Streeterville Note              
Debt Instrument [Line Items]              
Principal amount $ 2,000            
Issue discount 215            
Purchase price 1,800            
Unamortized debt issuance costs $ 15            
Interest rate 8.00%            
Maximum redemption amount $ 225            
Right to defer mandatory redemption, number of deferrals | creditFacility 5            
Percentage increase due to deferral of redemption option 1.50%            
Total liability, net of discount and financing fees           $ 1,900  
Unamortized issuance costs at date of issuance           183  
Percentage increase if delisted from Nasdaq 15.00%            
2022 Streeterville Note | Debt Instrument, Redemption, Period One              
Debt Instrument [Line Items]              
Prepayment premium 5.00%            
Debt prepayment limit, percent 50.00%            
2022 Streeterville Note | Debt Instrument, Redemption, Period Two              
Debt Instrument [Line Items]              
Prepayment premium 7.50%            
2021 Streeterville Note              
Debt Instrument [Line Items]              
Principal amount   $ 1,700          
Issue discount   194          
Purchase price   1,500          
Unamortized debt issuance costs   $ 15          
Interest rate   8.00%          
Maximum redemption amount   $ 205          
Right to defer mandatory redemption, number of deferrals | creditFacility   3          
Percentage increase due to deferral of redemption option   1.50%          
Total liability, net of discount and financing fees           400 $ 1,700
Unamortized issuance costs at date of issuance           $ 61 $ 140
Percentage increase if delisted from Nasdaq   15.00%          
2021 Streeterville Note | Debt Instrument, Redemption, Period One              
Debt Instrument [Line Items]              
Prepayment premium   5.00%          
Debt prepayment limit, percent   50.00%          
2021 Streeterville Note | Debt Instrument, Redemption, Period Two              
Debt Instrument [Line Items]              
Prepayment premium   10.00%          
2021 Streeterville Note | Subsequent Event              
Debt Instrument [Line Items]              
Conversion of convertible securities     $ 205