Note 11 - Foreign Operations (Details Textual) - Foreign [Member] - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Assets, Noncurrent, Total	$ 5,594,000	$ 5,079,000
Liabilities, Total	$ 1,881,000	$ 3,886,000

Sum of the carrying amounts as of the balance sheet date of all assets that are expected to be realized in cash, sold or consumed after one year or beyond the normal operating cycle, if longer.

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+ Details

- Definition

Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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