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Note 11 - Revenues (Tables)

3 Months Ended

Mar. 31, 2023

Notes Tables

Disaggregation of Revenue [Table Text Block]

		Three Months Ended March 31,
(in thousands)		2023				2022
Instruments, equipment, software and accessories		$	28,493			$	27,538
Service, maintenance and warranty contracts			1,482				1,240
Total revenues		$	29,975			$	28,778

Revenue from External Customers by Geographic Areas [Table Text Block]

		Three Months Ended March 31,
(in thousands)		2023				2022
United States		$	12,302			$	12,239
Europe			7,441				7,823
Hong Kong			3,508				1,706
Rest of Asia			5,273				5,027
Rest of the world			1,451				1,983
Total revenues		$	29,975			$	28,778

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

		March 31,				December 31,
(in thousands)		2023				2022
Service contracts		$	2,179			$	1,530
Customer advances			1,942				1,840
Total deferred revenue		$	4,121			$	3,370

Schedule of Product Warranty Liability [Table Text Block]

		Three Months Ended March 31,
(in thousands)		2023				2022
Balance, beginning of period		$	191			$	136
Bad debt (credit)			(3	)			(6	)
Charge-offs and other			(21	)			6
Balance, end of period		$	167			$	136

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

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-Name Accounting Standards Codification
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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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+ References

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+ References

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