XML 18 R8.htm IDEA: XBRL DOCUMENT v3.7.0.1
Inventories
 3 Months Ended
Mar. 31, 2017
Inventories  
Inventories

3.Inventories

 

The major components of inventories are as follows:

 

 

 

 

 

 

 

 

 

 

    

Mar 31, 2017

    

Dec 31, 2016

 

 

 

 

 

 

 

 

 

Raw materials

 

$

1,555,975

 

$

1,438,471

 

Work-in-progress

 

 

374,598

 

 

355,208

 

Finished goods

 

 

1,442,853

 

 

1,319,856

 

Reduction to LIFO cost

 

 

(1,140,892)

 

 

(1,127,363)

 

 

 

 

 

 

 

 

 

Total Inventories

 

$
2,232,534

 

$

1,986,172