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Inventories (Tables)
 9 Months Ended
Sep. 30, 2020
Inventory Disclosure [Abstract]  
Summary of Inventories, Net

Inventories, net consist of the following:

 

 

 

September 30,

 

 

December 31,

 

 

 

2020

 

 

2019

 

Raw materials

 

$

5,532,507

 

 

$

2,478,882

 

Sub-assemblies

 

 

197,524

 

 

 

1,857,004

 

Work-in-process

 

 

556,889

 

 

 

493,276

 

Finished goods

 

 

4,434,945

 

 

 

3,087,529

 

 

 

 

10,721,865

 

 

 

7,916,691

 

Less:  reserves for obsolete and slow-moving inventories

 

 

(722,185

)

 

 

(547,335

)

 

 

$

9,999,680

 

 

$

7,369,356