Note 1 - Organization and Summary of Significant Accounting Policies (Details Textual)	6 Months Ended
Jun. 30, 2022 $ / shares shares	Dec. 31, 2021 $ / shares
Common Stock, Par or Stated Value Per Share (in dollars per share) \| $ / shares	$ 0.0001	$ 0.0001
Number of Wholly-owned Subsidiaries	1
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) \| shares	6,458,823

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration