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Inventory
 12 Months Ended
Dec. 31, 2017
Inventory Disclosure [Abstract]  
Inventory

Note 3. Inventory

Inventory, net of allowance, consisted of the following as of the date indicated:

 

 

 

December 31,

 

 

 

2017

 

 

2016

 

Raw materials

 

$

984,328

 

 

$

1,222,437

 

Work in process

 

 

376

 

 

 

1,762

 

Finished goods

 

 

257,959

 

 

 

557,161

 

Total gross inventory

 

 

1,242,663

 

 

 

1,781,360

 

Less inventory allowance

 

 

(62,142

)

 

 

(270,307

)

 

 

$

1,180,521

 

 

$

1,511,053