XML 75 R57.htm IDEA: XBRL DOCUMENT v3.22.1
Note 4 - Fair Value Measurements - Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - Fair Value, Recurring [Member] - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Restricted cash held as a certificate of deposit $ 324 $ 324
Deposit held as a certificate of deposit 151 151
Total assets 475 475
Warrant liability 9,558  
Contingent earnout liability 561  
Total liabilities 10,119  
Fair Value, Inputs, Level 1 [Member]    
Restricted cash held as a certificate of deposit 324 324
Deposit held as a certificate of deposit 151 151
Total assets 475 475
Warrant liability 0  
Contingent earnout liability 0  
Total liabilities 0  
Fair Value, Inputs, Level 2 [Member]    
Restricted cash held as a certificate of deposit 0 0
Deposit held as a certificate of deposit 0 0
Total assets 0 0
Warrant liability 0  
Contingent earnout liability 0  
Total liabilities 0  
Fair Value, Inputs, Level 3 [Member]    
Restricted cash held as a certificate of deposit 0 0
Deposit held as a certificate of deposit 0 0
Total assets 0 $ 0
Warrant liability 9,558  
Contingent earnout liability 561  
Total liabilities $ 10,119