XML 45 R33.htm IDEA: XBRL DOCUMENT v3.20.1
Geographical Sales (Tables)
12 Months Ended
Dec. 31, 2019
Segment Reporting [Abstract]  
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Geographical distribution of sales consisted of the following for the years ended December 31, 2019 and 2018:


   

2019

   

2018

 
                 

Geographical Areas

               

North America

  $ 10,172,970     $ 46,959,295  

China

    11,792,589       11,331,108  

Australia

    -       11,060,421  

Asia*

    -       11,817,196  

Hong Kong

    -       -  

Other countries

    17,720       9,990  
    $ 21,983,279     $ 81,178,010  

* excluding China