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Inventories (Tables)
 9 Months Ended
Sep. 30, 2018
Inventory Disclosure [Abstract]  
Inventories Stated at Lower of Cost or Net Realizable Value

Inventories are stated at the lower of cost or net realizable value.  Cost is determined on a first-in first-out basis.  During the three months ended September 30, 2018, the Company determined that raw materials of $147,450 became obsolete due to the development of new product technology. This reserve was recognized in selling, general and administrative expenses.  

 

 

 

September 30,

 

 

December 31,

 

 

 

2018

 

 

2017

 

Raw materials

 

$

640,751

 

 

$

116,909

 

Work in process

 

 

188,360

 

 

 

17,115

 

Finished goods

 

 

295,121

 

 

 

193,763

 

 

 

$

1,124,232

 

 

$

327,787