Inventories (Details) - USD ($) $ in Thousands	Mar. 31, 2016	Dec. 31, 2015
Component of inventory use in hospitality product [Abstract]
Finished goods	$ 9,146	$ 8,914
Work in process	601	263
Component parts	5,927	5,068
Service parts	6,702	7,254
Inventory net	22,376	21,499
Inventory reserves	$ 9,100	$ 8,800