Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Components of Inventory (Details)

v3.10.0.1
Summary of Significant Accounting Policies - Components of Inventory (Details) - USD ($)
$ in Thousands
Dec. 31, 2017
Dec. 31, 2016
Accounting Policies [Abstract]    
Raw materials $ 1,269 $ 1,404
Work in process 245 466
Finished goods 17 866
Total inventory $ 1,531 $ 2,736