XML 26 R18.htm IDEA: XBRL DOCUMENT v3.22.1
Note 1 - Nature of Business and Significant Accounting Policies (Tables)
12 Months Ended
Dec. 31, 2021
Notes Tables  
Property, Plant and Equipment, Useful Life [Table Text Block]

Furniture and equipment (years)

  

5

-

7

 

Land improvements (years)

   

15