XML 39 R29.htm IDEA: XBRL DOCUMENT v3.22.1
Note 9 - Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
  

Number of

  

Exercise Price

  

Description

 

Common Shares

  

Per Share

 

Expiration Date

Purchase Warrants

  1,391,667  $6.00 

June 1, 2022