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Note 10 - Segment Reporting (Tables)
6 Months Ended
Jun. 30, 2021
Notes Tables  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   

For the Three Months Ended

   

For the Six Months Ended

 
   

June 30,

   

June 30,

 
   

2021

   

2020

   

2021

   

2020

 

Revenue

                               

Water

  $ 1,152,422     $ 2,395,458     $ 2,309,758     $ 10,307,261  

Ceramics

    2,102,693       1,614,135       4,033,757       4,063,731  

Plastics

    1,064,219       911,751       1,966,388       1,716,914  

Segment elimination

    (302,771

)

    (279,861

)

    (295,463

)

    (1,164,579

)

Total consolidated Revenue

    4,016,563       4,641,483       8,014,440       14,923,327  
   

For the Three Months Ended

   

For the Six Months Ended

 
   

June 30,

   

June 30,

 
   

2021

   

2020

   

2021

   

2020

 

Income (Loss)

                               

Water

  $ (944,122

)

  $ (506,209

)

  $ (1,580,562

)

  $ 110,758  

Ceramics

    (1,457,862

)

    (874,606

)

    (1,882,398

)

    (975,701

)

Plastics

    (275,324

)

    (35,809

)

    (528,303

)

    (67,656

)

Other

    (420,800

)

    (1,147,187

)

    (1,566,274

)

    (1,327,713

)

Total consolidated Loss

    (3,098,108

)

    (2,563,811

)

    (5,557,537

)

    (2,260,312

)

   

For the period ended

 

Total assets

 

June 30, 2021

   

December 31, 2020

 

Water

  $ 12,166,764     $ 14,033,107  

Ceramics

    15,747,698       16,734,371  

Plastics

    2,352,040       2,022,381  

Other

    21,137,930       9,420,278  

Total consolidated assets

  $ 51,404,432     $ 42,210,137