Discontinued Operations (Amortization, Depreciation, and Purchase of PPE) (Details) - Etherios, Inc. - Discontinued Operations, Disposed of by Sale $ in Thousands	9 Months Ended
Jun. 30, 2016 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Amortization of identifiable intangible assets	$ 30
Depreciation of property, equipment and improvements	0
Purchases of property, equipment, improvements and certain other identifiable intangible assets	$ 0

Amount of capital expenditure attributable to discontinued operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 205
-SubTopic 20
-Section 50
-Paragraph 5B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=64827811&loc=SL51721673-107760

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