6. Accounts Receivable (Details Narrative) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Sale Leaseback Transaction [Line Items]
Accounts receivable, gross	$ 17,001	$ 28,410
Scottish Pacific [Member]
Sale Leaseback Transaction [Line Items]
Accounts receivable, gross	$ 9,761	$ 8,345

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=118952595&loc=d3e4428-111522

Name:	us-gaap_AccountsReceivableGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant