Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Summary of Significant Accounting Policies - Components of Inventory (Details) - USD ($)
$ in Thousands
Jun. 30, 2017
Dec. 31, 2016
Accounting Policies [Abstract]    
Raw materials $ 1,590 $ 1,404
Work in process 342 466
Finished goods 34 866
Total inventory $ 1,966 $ 2,736