General (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
Oct. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
General (Textual)
Total consideration	$ 30,206			$ 30,206
Net of underwriting discounts, commissions and other offering expenses	$ 2,194
Revenue percentage		83.00%

The cash inflow associated with the amount received from entity's first offering of stock to the public.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 14
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3255-108585

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