Subsequent Event (Narrative) (Details) (USD $) In Millions, unless otherwise specified	9 Months Ended
Mar. 31, 2015	Apr. 14, 2015
Subsequent Event [Line Items]
Principal and interest payment due	$ 1.3us-gaap_DebtInstrumentPeriodicPayment
Amount due and unpaid	2.8ulgx_AmountDueAndUnpaidToDebtor
Subsequent Event [Member]
Subsequent Event [Line Items]
Amount due and unpaid		$ 7.4

Amount of the required periodic payments including both interest and principal payments.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 470

-Section 50

-Paragraph 3

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

Name:	us-gaap_DebtInstrumentPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration