XML 29 R9.htm IDEA: XBRL DOCUMENT v3.19.1
Inventories
12 Months Ended
Dec. 31, 2018
Inventory Disclosure [Abstract]  
Inventories

3. Inventories


At December 31, 2018 and December 31, 2017 inventories consisted of the following:


 

 

2018

 

2017

 

 

 

 

 

 

 

 

 

Raw materials

 

$

1,053,147

 

$

901,600

 

Finished goods

 

 

257,623

 

 

125,932

 

Work in process

 

 

 

 

16,848

 

Valuation allowance

 

 

(476,062

)

 

(643,616

)

Total inventory, net

 

$

834,708

 

$

400,764