Basis of Presentation and Significant Accounting Policies (Details Textual)	3 Months Ended
Apr. 01, 2016 USD ($)
General and Administrative Expense [Member]
Prior Period Reclassification Adjustment	$ 48,000
Royalty Income [Member]
Prior Period Reclassification Adjustment	$ 45,000

The amount of a reclassification adjustment made to prior period financial statement amounts.

No definition available.

Name:	us-gaap_PriorPeriodReclassificationAdjustment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration