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Note 13 - Revenues (Tables)

9 Months Ended

Sep. 30, 2020

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three Months Ended September 30, 2020
(in thousands)		United States				United Kingdom				Germany				Rest of the world				Total
Instruments, equipment, software and accessories		$	16,128			$	1,933			$	2,215			$	1,575			$	21,851
Service, maintenance and warranty contracts			1,914				229				36				7				2,186
Total revenues		$	18,042			$	2,162			$	2,251			$	1,582			$	24,037

		Three Months Ended September 30, 2019
(in thousands)		United States				United Kingdom				Germany				Rest of the world				Total
Instruments, equipment, software and accessories		$	19,388			$	2,285			$	2,772			$	1,878			$	26,323
Service, maintenance and warranty contracts			822				198				51				24				1,095
Total revenues		$	20,210			$	2,483			$	2,823			$	1,902			$	27,418

		Nine Months Ended September 30, 2020
(in thousands)		United States				United Kingdom				Germany				Rest of the world				Total
Instruments, equipment, software and accessories		$	48,574			$	6,432			$	7,170			$	4,681			$	66,857
Service, maintenance and warranty contracts			3,459				644				109				47				4,259
Total revenues		$	52,033			$	7,076			$	7,279			$	4,728			$	71,116

		Nine Months Ended September 30, 2019
(in thousands)		United States				United Kingdom				Germany				Rest of the world				Total
Instruments, equipment, software and accessories		$	58,979			$	7,814			$	8,956			$	5,675			$	81,424
Service, maintenance and warranty contracts			2,874				624				227				55				3,780
Total revenues		$	61,853			$	8,438			$	9,183			$	5,730			$	85,204

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

		Three Months Ended September 30, 2020
(in thousands)		Service Contracts				Customer Advances				Total
Balance at June 30, 2020		$	1,413			$	2,239			$	3,652
Deferral of revenue			1,126				198				1,324
Recognition of deferred revenue			(1,041	)			(387	)			(1,428	)
Effect of foreign currency translation			11				-				11
Balance at September 30, 2020		$	1,509			$	2,050			$	3,559

		Three Months Ended September 30, 2019
(in thousands)		Service Contracts				Customer Advances				Total
Balance at June 30, 2019		$	1,593			$	1,939			$	3,532
Deferral of revenue			471				310				781
Recognition of deferred revenue			(358	)			(421	)			(779	)
Effect of foreign currency translation			16				-				16
Balance at September 30, 2019		$	1,722			$	1,828			$	3,550

		Nine Months Ended September 30, 2020
(in thousands)		Service Contracts				Customer Advances				Total
Balance at December 31, 2019		$	1,587			$	2,362			$	3,949
Deferral of revenue			1,956				542				2,498
Recognition of deferred revenue			(2,029	)			(854	)			(2,883	)
Effect of foreign currency translation			(5	)			-				(5	)
Balance at September 30, 2020		$	1,509			$	2,050			$	3,559

		Nine Months Ended September 30, 2019
(in thousands)		Service Contracts				Customer Advances				Total
Balance at December 31, 2018		$	1,659			$	2,161			$	3,820
Deferral of revenue			1,597				561				2,158
Recognition of deferred revenue			(1,550	)			(894	)			(2,444	)
Effect of foreign currency translation			16				-				16
Balance at September 30, 2019		$	1,722			$	1,828			$	3,550

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

		Nine Months Ended September 30,
		2020				2019
Balance, beginning of period		$	325			$	332
Bad debt expense			24				394
Charge-offs and other recoveries			(60	)			(354	)
Effect of foreign currency translation			4				(8	)
Balance, end of period		$	293			$	364

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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+ 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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