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Shareholders' Equity - Schedule of Stock Options (Details) shares in Thousands	Sep. 30, 2020 shares
Class of Stock [Line Items]
Number of remaining securities available for future issuance (shares)	6,157
2009 Equity Incentive Plan
Class of Stock [Line Items]
Number of remaining securities available for future issuance (shares)	0
2011 Equity Incentive Plan
Class of Stock [Line Items]
Number of remaining securities available for future issuance (shares)	3,057
DVS Sciences Inc. 2010 Equity Incentive Plan
Class of Stock [Line Items]
Number of remaining securities available for future issuance (shares)	0
2017 Inducement Award Plan
Class of Stock [Line Items]
Number of remaining securities available for future issuance (shares)	0
2017 Employee Stock Purchase Plan
Class of Stock [Line Items]
Number of remaining securities available for future issuance (shares)	3,100
Securities To Be Issued Upon Exercise Of Options
Class of Stock [Line Items]
Securities to be issued (shares)	1,626
Securities To Be Issued Upon Exercise Of Options | 2009 Equity Incentive Plan
Class of Stock [Line Items]
Securities to be issued (shares)	19
Securities To Be Issued Upon Exercise Of Options | 2011 Equity Incentive Plan
Class of Stock [Line Items]
Securities to be issued (shares)	1,387
Securities To Be Issued Upon Exercise Of Options | DVS Sciences Inc. 2010 Equity Incentive Plan
Class of Stock [Line Items]
Securities to be issued (shares)	13
Securities To Be Issued Upon Exercise Of Options | 2017 Inducement Award Plan
Class of Stock [Line Items]
Securities to be issued (shares)	207
Securities To Be Issued Upon Exercise Of Options | 2017 Employee Stock Purchase Plan
Class of Stock [Line Items]
Securities to be issued (shares)	0
Securities To Be Issued Upon Release Of Restricted Stock and Performance Share Units
Class of Stock [Line Items]
Securities to be issued (shares)	6,026
Securities To Be Issued Upon Release Of Restricted Stock and Performance Share Units | 2009 Equity Incentive Plan
Class of Stock [Line Items]
Securities to be issued (shares)	0
Securities To Be Issued Upon Release Of Restricted Stock and Performance Share Units | 2011 Equity Incentive Plan
Class of Stock [Line Items]
Securities to be issued (shares)	5,810
Securities To Be Issued Upon Release Of Restricted Stock and Performance Share Units | DVS Sciences Inc. 2010 Equity Incentive Plan
Class of Stock [Line Items]
Securities to be issued (shares)	0
Securities To Be Issued Upon Release Of Restricted Stock and Performance Share Units | 2017 Inducement Award Plan
Class of Stock [Line Items]
Securities to be issued (shares)	216
Securities To Be Issued Upon Release Of Restricted Stock and Performance Share Units | 2017 Employee Stock Purchase Plan
Class of Stock [Line Items]
Securities to be issued (shares)	0

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Aggregate number of common shares reserved for future issuance.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.29)
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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