XML 45 R34.htm IDEA: XBRL DOCUMENT v3.20.2

Note 1 - Summary of Significant Accounting Policies - Fair Value Measurement of Warrant Liability (Details) (Parentheticals) - $ / shares	Jun. 30, 2020	May 21, 2020	Dec. 31, 2019
Warrants (in shares)	515,000		0
Warrants, exercise price (in dollars per share)	$ 5.00	$ 5.00

X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section 50
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21475-112644

+ Details

Name:	us-gaap_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of warrants or rights outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfWarrantOrRightOutstanding
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant