Inventories, net (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Component of inventory use in hospitality product [Abstract]
Finished goods	$ 12,776	$ 13,609
Work in process	535	457
Component parts	3,794	3,748
Service parts	7,831	8,108
Inventory net	24,936	25,922
Inventory reserves	$ 8,500	$ 7,900