XML 27 R17.htm IDEA: XBRL DOCUMENT v3.10.0.1
Summary of Significant Accounting Policies (Tables)
9 Months Ended
Sep. 30, 2018
Summary of Significant Accounting Policies [Abstract]  
Inventory, Major Classes, Policy [Policy Text Block]
 
 
As of September 30,
 
As of December 31,
 
 
2018
 
2017
 
 
(in thousands)
Raw materials
 
$
3,598

 
$
616

Work-in-process
 
182

 
149

Finished goods
 
975

 
1,183

Total inventory
 
$
4,755

 
$
1,948