Short-Term Debt (Details) (USD $)	9 Months Ended
Mar. 30, 2013
Short-Term Debt (Textual)
Interest rate on short-term borrowings	1.06%
Maturity period of short-term borrowings, Maximum	151 days
Maturity period of short-term borrowings, Minimum	116 days
Value of assets pledged as collateral	$ 4,300,000
PSE-TW [Member]
Short-Term Debt (Textual)
Short-term borrowings	$ 197,000

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

Name:	us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant