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Note 3 - Revenue (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Product Category
		Three Months Ended June 30,								Six Months Ended June 30,
		2021				2020				2021				2020
Pumps and pump systems		$	78,935			$	75,356			$	154,236			$	153,654
Repair parts for pumps and pump systems and other			14,080				10,458				27,806				23,831
Total net sales		$	93,015			$	85,814			$	182,042			$	177,485

		Geographic Location
		Three Months Ended June 30,								Six Months Ended June 30,
		2021				2020				2021				2020
United States		$	64,478			$	59,653			$	127,097			$	125,020
Foreign countries			28,537				26,161				54,945				52,465
Total net sales		$	93,015			$	85,814			$	182,042			$	177,485

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

		June 30, 2021				December 31, 2020
Contract assets		$	-			$	-
Contract liabilities		$	10,554			$	8,004

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130551-203045

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- Definition

Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=123351226&loc=SL49130545-203045

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- References

No definition available.

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