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Note 16 - Revenues (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three Months Ended March 31, 2020
		(in thousands)
		United States				United Kingdom				Germany				Rest of the world				Total
Instruments, equipment, software and accessories		$	15,956			$	2,507			$	2,573			$	1,901			$	22,937
Service, maintenance and warranty contracts			575				204				39				16				834
Total revenues		$	16,531			$	2,711			$	2,612			$	1,917			$	23,771

		Three Months Ended March 31, 2019
		(in thousands)
		United States				United Kingdom				Germany				Rest of the world				Total
Instruments, equipment, software and accessories		$	18,671			$	3,129			$	2,913			$	2,044			$	26,757
Service, maintenance and warranty contracts			1,143				190				97				15				1,445
Total revenues		$	19,814			$	3,319			$	3,010			$	2,059			$	28,202

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

		Three Months Ended March 31, 2020
		(in thousands)
		Service Contracts				Customer Advances				Total
Balance, beginning of period		$	1,587			$	2,362			$	3,949
Deferral of revenue			308				223				531
Recognition of deferred revenue			(499	)			(322	)			(821	)
Effect of foreign currency translation			14				-				14
Balance, end of period		$	1,410			$	2,263			$	3,673

		Three Months Ended March 31, 2019
		(in thousands)
		Service Contracts				Customer Advances				Total
Balance, beginning of period		$	1,659			$	2,161			$	3,820
Deferral of revenue			845				111				956
Recognition of deferred revenue			(848	)			(223	)			(1,071	)
Effect of foreign currency translation			10				-				10
Balance, end of period		$	1,666			$	2,049			$	3,715

Financing Receivable, Allowance for Credit Loss [Table Text Block]

		Three Months Ended March 31,
		2020				2019
		(in thousands)
Balance, beginning of period		$	325			$	332
Bad debt expense			4				348
Charge-offs and other recoveries			(31	)			(337	)
Effect of foreign currency translation			(1	)			(2	)
Balance, end of period		$	297			$	341

X

- Definition

Tabular disclosure of allowance for credit loss on financing receivable.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11B
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953423-111524

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=121599337&loc=SL82919249-210447

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- 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=121604090&loc=SL49130551-203045

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- Definition

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+ 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=121604090&loc=SL49130545-203045

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