Note 9 - Segment Reporting (Details Textual)	12 Months Ended
Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Number of Operating Segments	2
Accounts Receivable, Allowance for Credit Loss, Recovery		$ 52,000
Severance Costs	$ 46,000
Franchise Taxes	$ 176,000
Geographic Concentration Risk [Member] \| Revenue Benchmark [Member] \| Billed in Foreign Currency [Member]
Concentration Risk, Percentage	1.00%
General and Administrative Expense [Member]
Severance Costs	$ 59,000

Total amount of franchise taxes.

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Amount of increase in allowance for credit loss on accounts receivable, from recovery.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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