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Debt - Streeterville Note (Details)
$ in Thousands
1 Months Ended
Apr. 27, 2021
USD ($)
deferral
Apr. 30, 2021
USD ($)
Dec. 31, 2021
USD ($)
Debt Instrument [Line Items]      
Proceeds from issuance   $ 1,500  
Streeterville Note      
Debt Instrument [Line Items]      
Principal amount $ 1,700    
Original issue discount 194    
Proceeds from issuance 1,500    
Debt issuance costs $ 15    
Stated interest rate 8.00%    
Maximum redemption amount $ 205    
Right to defer mandatory redemption, number of deferrals | deferral 3    
Percentage increase due to deferral of redemption option 1.50%    
Total liability, net of discount and financing fees     $ 1,700
Unamortized discount and financing fees     $ 43
Percentage increase if delisted from Nasdaq 15.00%    
Streeterville Note | Debt Instrument, Redemption, Period One      
Debt Instrument [Line Items]      
Prepayment premium 5.00%    
Debt Prepayment Maximum, Percentage 50.00%    
Streeterville Note | Debt Instrument, Redemption, Period Two      
Debt Instrument [Line Items]      
Prepayment premium 10.00%