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Debt Instrument Interest Rate at Beginning of Period.

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Debt instrument interest rate at end of period.

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Debt security investment outstanding borrowing amount.

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Investment margin liabilities current.

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Payments for closing of escrow, financed under margin loan.

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Identification of the lender and information about a contractual promise to repay a short-term or long-term obligation, which includes borrowings under lines of credit, notes payable, commercial paper, bonds payable, debentures, and other contractual obligations for payment. This may include rationale for entering into the arrangement, significant terms of the arrangement, which may include amount, repayment terms, priority, collateral required, debt covenants, borrowing capacity, call features, participation rights, conversion provisions, sinking-fund requirements, voting rights, basis for conversion if convertible and remarketing provisions. The description may be provided for individual debt instruments, rational groupings of debt instruments, or by debt in total.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Amount of the cost of borrowed funds accounted for as interest expense.

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Carrying value as of the balance sheet date of notes payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

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Including the current and noncurrent portions, aggregate carrying amount of all types of notes payable, as of the balance sheet date, with initial maturities beyond one year or beyond the normal operating cycle, if longer.

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Sum of the carrying values as of the balance sheet date of the portions of long-term notes payable due within one year or the operating cycle if longer.

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Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

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Amount of the recorded unconditional purchase obligation maturing in the next rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of the recorded unconditional purchase obligation maturing in the second rolling twelve months following the latest balance sheet. For interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Debt, Commitments and Contingencies - Additional Information (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Debt, Commitments and Contingencies [Line Items]
Debt security investment outstanding borrowing amount			$ 15,000,000.0
Interest on loan withdrawn from margin account			1.00%
Payments for closing of escrow, financed under margin loan			$ 15,000,000.0
Investment margin loan	$ 14,999,000		14,999,000		$ 15,137,000
Interest expense	50,000	$ 29,000	79,000	$ 58,000
Notes payable, current portion	5,793,000		5,793,000		6,147,000
Non-cancelable purchase obligations	22,800,000		22,800,000
Reagents and Other Supplies
Debt, Commitments and Contingencies [Line Items]
Non-cancelable purchase obligations	7,700,000		7,700,000
Services
Debt, Commitments and Contingencies [Line Items]
Non-cancelable purchase obligations	6,600,000		6,600,000
Non-cancelable purchase obligations, payable within next twenty-four months	6,700,000		6,700,000
Software
Debt, Commitments and Contingencies [Line Items]
Non-cancelable purchase obligations	995,000		995,000
Medical Lab Equipment
Debt, Commitments and Contingencies [Line Items]
Non-cancelable purchase obligations, payable within twelve months	732,000		732,000
Xilong Scientific \| FF Gene Biotech
Debt, Commitments and Contingencies [Line Items]
Interest expense	77,000	0	156,000	0
Notes payable	$ 5,300,000	$ 0	$ 5,300,000	$ 0
Debt instrument, interest rate terms			The notes payable to Xilong Scientific are due on December 31, 2022, and the interest rate on the loan is 4.97%.
Debt instrument, interest rate	4.97%		4.97%
Installment Sale Contract
Debt, Commitments and Contingencies [Line Items]
Notes payable	$ 3,800,000		$ 3,800,000		$ 0
Notes payable, current portion	$ 461,000		$ 461,000
Debt instrument, interest rate terms			The notes payable related to the installment sale are due in February 2030, and the interest rate is 1.08%.
Debt instrument, interest rate	1.08%		1.08%
Installment Sale Contract \| Other Long-Term Liabilities
Debt, Commitments and Contingencies [Line Items]
Notes payable, noncurrent portion	$ 3,400,000		$ 3,400,000
Maximum
Debt, Commitments and Contingencies [Line Items]
Interest rate			2.00%