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Inventory
 9 Months Ended
Sep. 30, 2018
Inventory  
Inventory

4 — Inventory

 

Inventory consists of:

                                                                                                                                                                                                  

 

 

 

 

 

 

 

 

    

 September 30, 

    

 December 31, 

 

 

2018

 

2017

 

 

(unaudited)

 

 

 

Raw materials

 

$

3,535,042

 

$

3,593,136

Work in process

 

 

314,632

 

 

280,443

Finished goods

 

 

645,917

 

 

537,466

Inventory before allowance for excess and obsolete

 

 

4,495,591

 

 

4,411,045

Allowance for excess and obsolete

 

 

(220,182)

 

 

(200,199)

Total

 

$

4,275,409

 

$

4,210,846