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Note 2 - Revenue Recognition - Revenues From External Customers (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Total revenues	$ 35,840	$ 31,860	$ 70,760	$ 61,801
UNITED STATES
Total revenues	19,384	11,222	37,839	27,594
Non-US [Member]
Total revenues	$ 16,456	$ 20,638	$ 32,921	$ 34,207

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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