XML 18 R9.htm IDEA: XBRL DOCUMENT v3.8.0.1
Inventories
3 Months Ended
Mar. 31, 2018
Inventory Disclosure [Abstract]  
Inventories

Note 4. Inventories

Inventories, net consisted of the following:

      March 31,       December 31,
2018 2017
U.S. $ in thousands
        Finished goods $ 67,910 $ 63,234
Work-in-process 2,770 2,271
Raw materials 49,385 50,212
$      120,065 $      115,717