Amount of cash outflow reducing loss contingency liability.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 450
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=82911808&loc=d3e14326-108349

Name:	us-gaap_LossContingencyAccrualPayments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Subsequent Events (Narrative) (Details) - Trade Secrets Case [Member] - USD ($) $ in Thousands	1 Months Ended
	Jan. 31, 2019	Jan. 31, 2018	Dec. 31, 2017
Subsequent Event [Line Items]
Judgment awarded		$ 675
Accrual for judgment/settlement			$ 675
Subsequent Event [Member]
Subsequent Event [Line Items]
Net payments due to settlement with defendants	$ 66