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3. Inventories (Tables)
6 Months Ended
Jun. 30, 2020
Inventory Disclosure [Abstract]  
Inventories
Inventories consist of:  

June 30,

2020

   

December 31,

2019

 
Raw Materials   $ 994,803     $ 911,054  
Work in process     90,626       10,284  
Finished goods     3,536,440       6,519,012  
Total   $ 4,621,869     $ 7,440,350