XML 38 R27.htm IDEA: XBRL DOCUMENT v3.19.2
Inventory (Tables)
6 Months Ended
Jun. 30, 2019
Inventory Disclosure [Abstract]  
Schedule of Inventory, Current [Table Text Block]
 
June 30, 2019
 
December 31, 2018
Raw materials
$
15,330,000

 
$
17,278,000

Work in process
2,752,000

 
2,034,000

Finished goods
5,885,000

 
6,453,000

 
$
23,967,000

 
$
25,765,000