Inventory (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2016	Sep. 24, 2016
Inventory [Line Items]
Inventory, Parts and Components Reserves For Excess and Slow-moving Inventory	$ 394	$ 469

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

No definition available.

Name:	us-gaap_InventoryLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration