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Note 2 - Revenues (Tables)
3 Months Ended
Mar. 31, 2022
Notes Tables  
Disaggregation of Revenue [Table Text Block]
  

Three Months Ended

 
  

March 31,

 
  

2022

  

2021

 

Trappsol® Cyclo

 $-  $1,840 

Trappsol® HPB

  64,573   201,348 

Trappsol® Fine Chemical

  129,703   142,495 

Aquaplex®

  628   11,276 

Other

  -   1,174 

Total revenues

 $194,904  $358,133