Commitments and Contingencies (Adverse Purchase Commitments Narrative) (Details) - USD ($)	Sep. 30, 2017	Dec. 31, 2016
Commitments And Contingencies Adverse Purchase Commitments Narrative Details
Open purchase obligations	$ 7,400,000
Accrued liability for loss on commitments to purchase materials to support production of PicoP based products	$ 500,000	$ 500,000

The current carrying amount, due within one year or one operating cycle, if longer, of liabilities resulting from the transfer of a business segment under contractual arrangement where the transferor maintains certain risks, obligations or liabilities.

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 210.5-02.20)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 810
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 5.E)
-URI http://asc.fasb.org/extlink&oid=27015204&loc=d3e355146-122828

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