Related Party Transactions (Details 1) (Vishay Intertechnology, USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Vishay Intertechnology
Related Party Transaction [Line Items]
2014	$ 39
2015	$ 19

Future rental payments receivable within the second year from the balance sheet date under an operating lease.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 4

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6454179&loc=d3e41551-112718

Name:	us-gaap_OperatingLeasesFutureMinimumPaymentsReceivableInTwoYears
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant