Loss on Sale of Assets (Narrative) (Details)	1 Months Ended	12 Months Ended
May 31, 2019 site	Dec. 31, 2019 USD ($)
Loss on Sale of Assets [Abstract]
Number of manufacturing sites \| site	2
Loss on sale of assets (Note 6) \| $		$ 663,000

Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Name:	us-gaap_GainLossOnDispositionOfAssets1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration