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Note 15 - Revenue - Revenues (Details) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Deferred revenue	$ 13	$ 0
Increases due to consideration received from customers	283	0
Revenue recognized	222	0
Deferred revenue	326	0
Evoke Neuroscience, Inc. [Member]
Acquired in Evoke business combination	$ 252	$ 0

X

- Definition

Consideration received from contract with customer.

+ References

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- References

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X

- Definition

Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-11

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- Definition

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+ References

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