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Revenue (Details - Revenues by product line) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Disaggregation of Revenue [Line Items]
Revenues	$ 33,681	$ 16,585	$ 61,386	$ 33,731
Iot [Member]
Disaggregation of Revenue [Line Items]
Revenues	28,521	13,402	51,352	28,022
R E M [Member]
Disaggregation of Revenue [Line Items]
Revenues	4,977	3,095	9,743	5,497
Other Revenue [Member]
Disaggregation of Revenue [Line Items]
Revenues	$ 183	$ 88	$ 291	$ 212

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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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