Commitments and Contingencies - Additional Information (Details)				1 Months Ended		3 Months Ended		6 Months Ended		8 Months Ended	14 Months Ended	25 Months Ended
	Nov. 11, 2020 USD ($)	Apr. 22, 2020 USD ($)	Jul. 27, 2018 USD ($)	Jul. 31, 2019 USD ($)	Nov. 30, 2015 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2021 USD ($)	Nov. 19, 2018 USD ($)	Jun. 03, 2019 USD ($)	Aug. 28, 2020 USD ($)	Dec. 31, 2021 USD ($)	Dec. 31, 2017 USD ($)
Loss Contingencies [Line Items]
Rent expense recognized						$ 200,000	$ 300,000	$ 200,000	$ 300,000
Operating lease right-of-use asset						586,000		586,000
Operating lease liabilities						$ 774,000		$ 774,000
ASC 842
Loss Contingencies [Line Items]
Change in Accounting Principle, Accounting Standards Update, Adopted [true false]						true		true
Change in Accounting Principle, Accounting Standards Update, Adoption Date						Jan. 01, 2022		Jan. 01, 2022
Office Leases | Santa Clara
Loss Contingencies [Line Items]
Letters of credit						$ 500,000		$ 500,000					$ 500,000
Hologic, Inc. and Cytyc Surgical Products, LLC
Loss Contingencies [Line Items]
Loss contingency damages sought value		$ 7,100,000			$ 16,000,000
Loss contingency damages awarded value			$ 4,800,000									$ 4,787,668
Supplement loss contingency damages and interest awarded				$ 7,100,000						$ 1,629,304
Prejudgment interest amount											$ 79,073	$ 270,533
Post-judgment interest rate											0.0228	0.0244
Loss contingency accrual for potential legal losses														$ 4,800,000
Hologic, Inc. and Cytyc Surgical Products, LLC | Surety Bond
Loss Contingencies [Line Items]
Loss contingency, increase in bond amount	$ 7,203,414