Intangible Assets (10K) (Details) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014	Dec. 31, 2013
Amortizable intangible assets
Finite-lived intangible assets, gross	$ 6,745	$ 6,745
Finite-Lived intangible assets, accumulated amortization	(6,072)	(5,812)	$ (5,455)
Finite-lived intangible assets, net	$ 673	933	1,290
Technology [Member]
Amortizable intangible assets
Finite-lived intangible assets, gross		$ 6,745	$ 6,745

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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