Revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Revenue from External Customer [Line Items]
Revenues	$ 9,966	$ 16,628
IC sales
Revenue from External Customer [Line Items]
Revenues	9,680	16,456
IC sales \| Mobile Market
Revenue from External Customer [Line Items]
Revenues	3,063	5,572
IC sales \| Home And Enterprise Market
Revenue from External Customer [Line Items]
Revenues	6,617	10,884
Engineering services, license and other
Revenue from External Customer [Line Items]
Revenues	$ 286	$ 172

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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+ Details