Note C - Commitments and Contingencies (Details Textual) - USD ($) $ / shares in Units, $ in Millions	Jun. 30, 2022	Nov. 05, 2021	Nov. 02, 2021
Loss Contingency, Maximum Amount of Indemnification Limit	$ 2
Purchase Agreement With Company, Operating Partnership, and HSCP Strategic III, L.P. [Member] \| OP Units [Member]
Limited Partners' Capital Account, Units Issued (in shares)		900,506	1,702,128
Limited Partner, Option to Purchase Units, Price Per Share (in dollars per share)		$ 11.75	$ 11.75

The number of limited partner units issued.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB Topic 4.F)
-URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187171-122770

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