XML 37 R27.htm IDEA: XBRL DOCUMENT v3.23.1
Note 9 - Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2023
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
  

2023

  

2022

 

Warrants outstanding at January 1

  35,920,000   1,015,000 

Warrants issued in connection with public offering and private placement

  -   - 

Exercises and conversions

  -   - 

Warrants outstanding at March 31

  35,920,000   1,015,000 
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
  

March 31, 2023

 
  

Number of

units

  

Weighted

Average
Grant-Date

Fair value

  

Aggregated

Intrinsic
Value

 
             

Outstanding, December 31, 2022

  2,408,892  $0.60  $- 

Granted

  1,709,379   0.38   - 

Vested and settled with share issuance

  (1,285,362

)

  (0.61

)

  - 

Outstanding, March 31, 2023

  2,832,909  $0.46  $-