Inventories (Details) - USD ($) $ in Thousands		Sep. 30, 2016	Dec. 31, 2015
Inventory [Line Items]
Raw materials	[1]	$ 0	$ 1,742
Work-in-process		0	80
Finished goods	[2]	0	443
Spare parts		57	113
Total		$ 57	$ 2,378

[1] Raw materials decreased from December 31, 2015 to September 30, 2016 due to the Company’s sale of its gaming products operations assets on May 11, 2016, which included raw materials.

[2] Finished goods decreased from December 31, 2015 to September 30, 2016 due to the delivery of all outstanding orders for the gaming products division in the six-month period ended June 30, 2016.