Summary of Significant Accounting Policies Summary of Significant Accounting Policies - Narrative (Details)		9 Months Ended
Sep. 21, 2018	Sep. 30, 2018
Accounting Policies [Abstract]
Reverse stock split, conversion ratio	0.2	0.2

Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 4
-Subparagraph (SAB TOPIC 4.C)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770

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Balance Type:	na
Period Type:	duration