Inventories consist of the following at December 31,:
 
 
 
2016
 
2015
 
Raw materials
 
$
99,182
 
$
90,955
 
Work in process
 
 
279,045
 
 
337,414
 
Finished goods
 
 
26,890
 
 
33,100
 
Reserve for obsolescence
 
 
(63,000)
 
 
(67,000)
 
Total
 
$
342,117
 
$
394,469