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Note 17 - Geographic Information - Revenue Information by Geographic Region (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Revenue, net	$ 52,299	$ 54,189	$ 104,540	$ 103,890
UNITED STATES
Revenue, net	1,147	3,422	3,705	6,737
TAIWAN
Revenue, net	37,205	29,493	64,984	55,888
CHINA
Revenue, net	$ 13,947	$ 21,274	$ 35,851	$ 41,265

X

- Definition

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.

+ References

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