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Inventories (Details) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014
Component of inventory use in hospitality product [Abstract]
Finished goods	$ 14,378	$ 13,609
Work in process	317	457
Component parts	4,334	3,748
Service parts	8,198us-gaap_OtherInventoryNetOfReserves	8,108us-gaap_OtherInventoryNetOfReserves
Inventory net	$ 27,227us-gaap_InventoryNet	$ 25,922us-gaap_InventoryNet

Carrying amount, net of reserves and adjustments, as of the balance sheet date of merchandise or goods which are partially completed. This inventory is generally comprised of raw materials, labor and factory overhead costs, which require further materials, labor and overhead to be converted into finished goods, and which generally require the use of estimates to determine percentage complete and pricing.

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