Six months ended

June 30,

 2021

 2020

Revenue Summary

 $

  %

 $

  %

Sales of purchased inventory

Company A

-

0.0

%

8,300

100.0

%

Total product sales

-

0.0

%

8,300

100.0

%

Disposal fee income

7

100.0

%

4

0.0

%

7

100.0

%

8,304

100.0

%