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Note 3 - Revenue - Disaggregation of Revenue by Major Categories and Geographic Location (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net sales	$ 153,792	$ 102,110	$ 375,026	$ 284,152
UNITED STATES
Net sales	115,478	68,726	272,943	195,823
Non-US [Member]
Net sales	38,314	33,384	102,083	88,329
Pumps and Pump Systems [Member]
Net sales	138,522	86,770	327,883	241,038
Repair Parts for Pumps and Pump Systems and Other [Member]
Net sales	$ 15,270	$ 15,340	$ 47,143	$ 43,114

X

- Definition

Amount, including 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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