Commitments and Contingencies - Contingencies - Additional Information (Details) - Licensing and patent infringement suit	1 Months Ended		9 Months Ended	12 Months Ended		38 Months Ended	50 Months Ended
	Mar. 31, 2019	Apr. 30, 2016 USD ($)	Sep. 30, 2019 USD ($)	Dec. 31, 2019 USD ($) claim	Dec. 31, 2017 USD ($)	Mar. 31, 2019 USD ($)	Apr. 30, 2016 USD ($)	Feb. 28, 2019 claim
Loss Contingencies [Line Items]
Damages awarded to TransOva		$ 528,000
Cumulative payments for royalties							$ 3,170,000
Royalty payments not yet deposited		2,759,000					$ 2,759,000
Litigation settlement, minimum and license payment						$ 5,801,000
Loss contingency, damages sought, value				$ 1,000,000
Royalty expense				$ 383,000
XY, LLC
Loss Contingencies [Line Items]
Damages awarded against TransOva		$ 6,066,000
Litigation settlement, ongoing royalty percentage		12.50%	18.75%
Enhancement percentage		2.00%
Litigation settlement, minimum royalty price per unit		$ 5.00	$ 6.25
Litigation settlement, weighted blended royalty rate	12.63%
Claims dismissed | claim				9
Total claims | claim				12
Loss contingencies, non-patent counts, number | claim				5
Claims pending resolution | claim				2				1
Selling, general and administrative
Loss Contingencies [Line Items]
Litigation settlement expense					$ 4,228,000