Note 13 - Related Party Transactions (Details Textual) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Inventory, Net, Total	$ 22,438	$ 19,434
Agreement Between the BIRD Foundation, the Company, and MARPE Technologies, LTD [Member]
Agreement, Conditional Grant	$ 1,000
Agreement, Exclusive Manufacturing Rights, Term (Year)	10 years
Abilitech Medical, Inc [Member] \| Loss on Long-Term Purchase Commitment [Member]
Accounts Receivable, after Allowance for Credit Loss, Total	$ 141
Inventory, Net, Total	113
Abilitech Medical, Inc [Member] \| Payments Received for Delivery of EMS Products [Member]
Related Party Transaction, Amounts of Transaction	$ 247	1,079
David Kunin [Member] \| Marpe Technologies, LTD [Member] \| Maximum [Member]
Ownership, Percent	10.00%
Marpe Technologies, LTD [Member] \| Agreement Between the BIRD Foundation, the Company, and MARPE Technologies, LTD [Member]
Agreement, Conditional Grant Matching Amount	$ 500
Revenue from Related Parties	$ 440	$ 148

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The matching amount required for the conditional grant under an agreement.

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The term under an agreement for exclusive manufacturing rights.

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The percentage ownership interest in an entity.

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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business.

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Amount after valuation and LIFO reserves of inventory expected to be sold, or consumed within one year or operating cycle, if longer.

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Amount of transactions with related party during the financial reporting period.

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Amount of revenue, fees and commissions earned from transactions between (a) a parent company and its subsidiaries; (b) subsidiaries of a common parent; (c) an entity and trusts for the benefit of employees, for example, but not limited to, pension and profit-sharing trusts that are managed by or under the trusteeship of the entity's management; (d) an entity and its principal, owners, management, or members of their immediate families; and (e) affiliates.

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