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Acquisitions (Pro Forma Information) (Details) - AnalogX, Inc and PLDA Group - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Pro forma financial information, nonrecurring adjustment
Pro forma financial information, revenue	$ 82,965	$ 62,119	$ 247,180	$ 195,347
Pro forma financial information, net income (loss)	5,147	$ (15,205)	10,388	$ (32,952)
Acquisition-related costs
Pro forma financial information, nonrecurring adjustment
Pro forma financial information, acquisition-related costs	$ 2,200		$ 2,200

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Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

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- Definition

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(3)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)
-URI http://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

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-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
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