Inventory (Details) - USD ($) $ in Thousands		Sep. 30, 2019	Dec. 31, 2018
Inventory [Line Items]
Inventory, Raw Materials, Gross		$ 6,132	$ 6,214
Inventory, Work in Process, Gross		3,087	549
Inventory, Finished Goods, Gross		11,723	12,179
Inventory, Net	[1]	20,942	18,942
Deferred Costs and Other Assets		$ 100	$ 500

[1] unaudited