v3.25.3

Investments and Fair Value Measurements - Narrative (Details)	9 Months Ended
	Sep. 30, 2025 USD ($) security	Dec. 31, 2024 USD ($) security	Dec. 31, 2023 USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Allowance for credit loss	$ 0	$ 0
Number of securities in an unrealized loss position, less than 12 months \| security	7	1
Number of securities in an unrealized loss position, greater than 12 months \| security	0	0
Sale and maturity of available for sale securities	$ 1,400,000
Interest receivable	$ 0	$ 0
Number of Debt Securities, Available-for-Sale \| security	1
Purchase option liability
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Estimated fair value			$ 8,500,000
Senior Secured Convertible Notes Due 2025 \| Convertible Notes Payable \| Subsequently Purchased Warrants
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Fair value of debt	$ 25,000,000

Number of Debt Securities, Available-for-Sale

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Fair value of financial obligations, including, but not limited to, debt instruments, derivative liabilities, federal funds purchased and sold under agreements to repurchase, securities loaned or sold under agreements to repurchase, financial instruments sold not yet purchased, guarantees, line of credit, loans and notes payable, servicing liability, and trading liabilities.

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Bionano Genomics, Inc. 10-Q