Subsequent Event (Details) - Apr. 23, 2019 - Subsequent Event [Member]	USD ($) ft²	a
Subsequent Event [Abstract]
Proceeds from sale of land	$ 675,000
Area of land sold	45,109	1.036

The cash inflow from the sale of land held for use; excludes sales of land held as inventory or investments.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585

Name:	us-gaap_ProceedsFromSaleOfLandHeldForUse
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration