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Revenue (Details - Revenues by product line) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 27,705	$ 17,146
Iot [Member]
Disaggregation of Revenue [Line Items]
Revenues	22,831	14,620
R E M [Member]
Disaggregation of Revenue [Line Items]
Revenues	4,766	2,402
Other Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 108	$ 124

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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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