XML 32 R22.htm IDEA: XBRL DOCUMENT v3.20.2
Note 3 - Inventories (Tables)
6 Months Ended
Jun. 30, 2020
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
    As of June 30,
2020
  As of
December 31,
2019
         
Finished goods   $
69,407
    $
91,410
 
Raw materials    
154,794
     
69,821
 
Work-In-Process    
11,167
     
28,925
 
Total   $
235,368
    $
190,156