Condensed Consolidated Statements of Changes in Equity (Unaudited) (Parentheticals) $ in Thousands	3 Months Ended
Mar. 31, 2021 USD ($)
Investor Warrants [Member] \| Private Placement [Member]
Proceeds allocated to warrant liabilities	$ 10,480
Investor Warrants [Member]
Proceeds allocated to warrant liabilities	5,942
Private Placement Agent Costs [Member] \| Private Placement [Member]
Proceeds allocated to warrant liabilities	1,450
Investor Costs [Member]
Direct offering costs	3,050
Proceeds allocated to warrant liabilities	$ 10,919

Amount of decrease in additional paid in capital (APIC) resulting from direct costs associated with issuing stock. Includes, but is not limited to, legal and accounting fees and direct costs associated with stock issues under a shelf registration.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21463-112644

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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