Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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+ Details

Summary of significant accounting policies (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Product Information [Line Items]
Total revenue	$ 2,637	$ 170	$ 4,999	$ 170
WiSE CRT System [Member]
Product Information [Line Items]
Total revenue	2,616	146	4,936	146
Surgical tool kits [Member]
Product Information [Line Items]
Total revenue	16	4	36	4
Battery replacements [Member]
Product Information [Line Items]
Total revenue	13	20	35	20
Sale [Member]
Product Information [Line Items]
Total revenue	2,645	170	5,007	170
Less Rebates [Member]
Product Information [Line Items]
Total revenue	$ (8)		$ (8)