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2. REVENUE RECOGNITION - Revenue disaggregated (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Disaggregation of Revenue [Line Items]
Net revenues	$ 5,708	$ 8,953	$ 11,295	$ 17,862
Contract Manufacturers
Disaggregation of Revenue [Line Items]
Net revenues	1,324	1,671	3,274	3,206
Distribution
Disaggregation of Revenue [Line Items]
Net revenues	4,356	6,813	7,970	14,118
OEMs
Disaggregation of Revenue [Line Items]
Net revenues	$ 28	$ 469	$ 51	$ 538

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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