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2. Revenue (Details - Revenues by product line) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Mar. 31, 2021	Mar. 31, 2020
Revenues	$ 17,108	$ 16,512	$ 50,839	$ 42,481
IoT [Member]
Revenues	13,661	13,922	41,683	35,323
REM [Member]
Revenues	3,305	2,424	8,802	6,557
Other [Member]
Revenues	$ 142	$ 166	$ 354	$ 601

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

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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