Quarterly report pursuant to Section 13 or 15(d)

Inventory - Schedule of Inventory (Details)

v3.19.2
Inventory - Schedule of Inventory (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Devices - for resale $ 15,272 $ 11,319
Work in process 3,719  
Raw materials 5,470 8,826
Accessories 2,034 1,686
Total inventory $ 26,495 $ 21,831