Note 9 - Commitments and Contingencies (Details Textual)	9 Months Ended
Sep. 30, 2023 USD ($) ft²
Operating Lease, Expense	$ 94,000
Employee Retention Credit [Member]
Effective Income Tax Rate Reconciliation, Tax Credit, Amount	$ 188,760
Expanded Office Space, 5430 LBJ Freeway Dallas Texas [Member]
Area of Real Estate Property \| ft²	2,685

Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 12
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482685/740-10-50-12

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