XML 32 R21.htm IDEA: XBRL DOCUMENT v3.22.1
Note 7 - Commitments and Contingencies (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Lease, Cost [Table Text Block]
  

Three Months Ended March 31,

 
  

2022

  

2021

 

Lease cost:

        

Operating lease cost

 $29  $29 

Variable lease cost

  7   7 

Total

 $36  $36