XML 44 R17.htm IDEA: XBRL DOCUMENT v3.20.1
INVENTORIES
3 Months Ended
Mar. 31, 2020
INVENTORIES  
INVENTORIES

NOTE 10.    INVENTORIES

Our inventories are valued at the lower of cost or net realizable value and computed on a first-in, first-out (FIFO) basis. Components of inventories are as follows:

​

​

​

​

​

​

​

​

​

​

​

March 31, 

​

December 31, 

​

​

    

2020

    

2019

​

Parts and raw materials

​

$

154,573

​

$

134,816

​

Work in process

​

 

15,704

​

 

10,269

​

Finished goods

​

 

65,022

​

 

84,934

​

Total

​

$

235,299

​

$

230,019

​

​