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Note 3 - Revenue (Tables)

9 Months Ended

Sep. 30, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Product Category
		Three Months Ended September 30,								Nine Months Ended Septem b er 30,
		2019				2018				2019				2018
Pumps and pump systems		$	86,114			$	89,835			$	260,913			$	268,485
Repair parts for pumps and pump systems and other			13,184				13,058				43,574				42,839
Total net sales		$	99,298			$	102,893			$	304,487			$	311,324

		Geographic Location
		Three Months Ended September 30,								Nine Months Ended Septe mb er 30,
		201 9				201 8				2019				2018
United States		$	69,491			$	65,285			$	211,976			$	201,237
Foreign countries			29,807				37,608				92,511				110,087
Total net sales		$	99,298			$	102,893			$	304,487			$	311,324

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

		September 3 0, 201 9				December 31 , 201 8
Contract assets		$	1,290			$	1,953
Contract liabilities		$	6,440			$	5,232

X

- Definition

Tabular disclosure of contract balances and changes in contract balances.

+ 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=118956577&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=118956577&loc=SL49130545-203045

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