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Inventories
 12 Months Ended
Dec. 31, 2019
Inventory Disclosure [Abstract]  
Inventories

3. Inventories

Inventories consisted of:

 

 

 

December 31,

 

 

 

2019

 

 

2018

 

Finished goods

 

$

32,899,114

 

 

$

33,427,983

 

Work in process

 

 

274,158

 

 

 

141,646

 

Materials and supplies

 

 

6,087,833

 

 

 

7,762,508

 

Inventories:

 

$

39,261,105

 

 

$

41,332,137

 

 

Inventories are stated net of valuation allowances for slow moving and obsolete inventory of $696,486 as of December 31, 2019 and $538,354 as of December 31, 2018.