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Inventories
3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Inventories

5. Inventories are stated at the lower of cost or net realizable value. Cost is determined using the first-in, first-out method. The components of inventories consist of the following:

 

 

 

March 31,

2020

 

 

December 31,

2019

 

Finished products

 

$

161,788

 

 

$

151,917

 

Raw materials

 

 

14,073

 

 

 

11,396

 

Inventories

 

$

175,861

 

 

$

163,313