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Revenue (Tables)

3 Months Ended

Mar. 31, 2021

Revenue from Contract with Customer [Abstract]

Schedule of Sales by End Market

The following tables represent a disaggregation of revenue from contracts with customers for the periods presented (in thousands):

Sales by End Market

									Three Months Ended March 31,
															2021						2020
Industrial															$	21,400					$	15,990
Microfabrication															15,215						10,419
Aerospace and Defense															24,730						16,806
															$	61,345					$	43,215

Schedule of Sales by Geography

Sales by Geography

									Three Months Ended March 31,
															2021						2020
North America															$	31,134					$	21,046
China															15,577						12,042
Rest of World															14,634						10,127
															$	61,345					$	43,215

Schedule of Sales by Timing of Revenue

Sales by Timing of Revenue

									Three Months Ended March 31,
															2021						2020
Point in time															$	46,994					$	36,930
Over time															14,351						6,285
															$	61,345					$	43,215

Schedule of Contract Assets and Liabilities

The Company's contract assets and liabilities are as follows (in thousands):

			Balance Sheet Classification						As of
									March 31, 2021						December 31, 2020
Contract assets			Prepaid expenses and other current assets						$	4,329					$	5,680
Contract liabilities			Deferred revenue and Other long-term liabilities						4,203						2,985

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

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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X

- 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=121604090&loc=SL49130545-203045

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- References

No definition available.

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X

- Definition

Tabular disclosure of revenue from external customers by geographic areas attributed to the entity's country of domicile and to foreign countries from which the entity derives revenue.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 41
-Subparagraph a
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- Definition

Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 280
-SubTopic 10
-Section 50
-Paragraph 40
-URI http://asc.fasb.org/extlink&oid=120311839&loc=d3e9031-108599

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