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Note 3 - Revenue (Tables)

6 Months Ended

Jun. 30, 2018

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Product Category
		Three Months Ended June 30,								Six Months Ended June 30,
		2018				2017				2018				2017
Pumps and pump systems		$	97,784			$	84,020			$	178,611			$	161,485
Repair parts for pumps and pump systems and other			14,043				13,852				29,820				28,990
Total net sales		$	111,827			$	97,872			$	208,431			$	190,475

		Geographic Location
		Three Months Ended June 30,								Six Months Ended June 30,
		2018				2017				2018				2017
United States		$	71,519			$	63,456			$	135,952			$	122,628
Foreign countries			40,308				34,416				72,479				67,847
Total net sales		$	111,827			$	97,872			$	208,431			$	190,475

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

		Beginning balances at December 31, 2017				Ending balances at June 30, 2018
Contract assets		$	-			$	586
Contract liabilities		$	4,098			$	3,332

X

- Definition

Tabular disclosure of contract balances and changes in contract balances.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
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+ References

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-Section 50
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