XML 67 R34.htm IDEA: XBRL DOCUMENT v3.22.1
Note 12 - Stockholders' Equity (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Schedule of Stockholders' Equity Note, Warrants or Rights [Table Text Block]
  

2021

 

Warrants outstanding at January 1

  515,000 

Common stock exchanged to prefunded warrant

  500,000 

Exercises and conversions

  - 

Warrants outstanding at December 31

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

December 31, 2021

 
  

Number of

units

  

Weighted

Average
Grant-Date

Fair value

  

Aggregated

Intrinsic
Value

 
             

Outstanding, December 31, 2020

  128,299  $5.79  $283,541 

Granted

  71,582   7.51   - 

Vested and settled with share issuance

  (50,245

)

  5.85   - 

Forfeited

          - 

Outstanding, December 31, 2021

  149,636  $6.59