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Inventories (Tables)
 9 Months Ended
Sep. 30, 2015
Inventories [Abstract]  
Components of inventories

 

 

September 30, 
2015

 

 

December 31, 
2014

 

Raw materials

 

$

1,448,000

 

 

$

835,589

 

Work-in-process

 

 

1,110,786

 

 

 

1,454,999

 

Finished goods

 

 

1,471,434

 

 

 

2,132,080

 

 

 

 

4,030,220

 

 

 

4,422,668

 

Less: reserve for obsolete inventories

 

 

(175,491

)

 

 

(181,646

)

 

 

$

3,854,729

 

 

$

4,241,022