Organization and Basis of Presentation (Details)									3 Months Ended				4 Months Ended	6 Months Ended
	May 24, 2024 USD ($)	May 23, 2024 USD ($)	May 01, 2024 USD ($)	Apr. 20, 2024 USD ($)	Mar. 01, 2024 USD ($) employee	Feb. 01, 2024 USD ($)	Jan. 01, 2024 USD ($)	Aug. 04, 2023	Sep. 30, 2024 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2024 USD ($)	Jun. 30, 2023 USD ($)	May 01, 2024 USD ($)	Dec. 31, 2024 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2023 USD ($)	Jul. 24, 2024 USD ($)	Dec. 31, 2023 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Reverse stock split, conversion ratio								0.1
Cash and cash equivalents										$ 10,425,000		$ 14,856,000			$ 10,425,000	$ 14,856,000		$ 17,948,000
Short term investments										8,516,000					8,516,000			48,823,000
Restricted cash and cash equivalents and restricted short-term investments										11,400,000					11,400,000
Accumulated deficit										628,854,000					628,854,000			581,208,000
Net cash used in operating activities															$ 49,109,000	69,109,000
Redemption price, percentage of principal amount redeemed (as a percent)															115.00%
Repurchase amount			$ 20,700,000							49,500,000			$ 20,700,000		$ 49,500,000
Redemption amount			(31,800,000)										(31,800,000)
Repayments of long term debt													$ 18,000,000.0
Proceeds from sale of common stock and warrants															27,602,000	33,487,000
Debt issuance costs on sale of convertible debentures															1,444,000	0
Total restructuring charges										1,215,000		0			5,847,000	0
Gain on lease modification															(73,000)	0
Loss on intangible asset impairment										0		$ 0			448,000	$ 0
Inventories non-current (included in other long-term assets)										3,674,000					3,674,000			$ 4,710,000
Debt Instrument, Covenant, Cash Balance Maximum	$ 11,000,000.0
Convertible Debt | Forecast | Subsequent Event
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Interest Expense, Subordinated Notes and Debentures														$ 1,400,000
Depreciable lives | Saphyr and Stratys Instruments
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Property and equipment useful life							7 years											5 years
Reduction in depreciation															500,000
Workforce Reduction
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total restructuring charges															400,000
Gain on lease modification											$ (100,000)
Restructuring, expected number of positions eliminated | employee					120
Workforce Reduction | Forecast
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Total restructuring charges									$ 200,000
Convertible notes payable
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Repurchased face amount					$ 27,700,000
Redemption, repayment amount	(15,300,000)
Retirement fee		$ (5,400,000)
2024										6,000,000.0					6,000,000.0
Convertible Debt
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Redemption price, percentage of principal amount redeemed (as a percent)		115.00%
Repayments of long term debt	15,300,000	$ 17,600,000	$ 4,500,000	$ 4,500,000	$ 27,700,000	$ 4,500,000	$ 4,500,000
Retirement fee	(2,200,000)
Fair value of debt										$ 20,000,000.0					20,000,000.0
Proceeds from sale of common stock and warrants	16,600,000
Interest Expense, Subordinated Notes and Debentures															200,000
Debt discount		$ 1,400,000
Convertible Debt | Subsequent Event
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Redemption amount																	$ (1,000,000.0)
2024																	$ 6,000,000
Convertible Debt | Convertible Secured Debentures
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of debt	20,000,000.0
Issuance of convertible debentures	$ 18,000,000.0														$ 20,000,000