Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2021

Leases [Abstract]

Accounting Standards Update and Change in Accounting Principle

The following table summarizes the effects of adopting Topic 842 on the Company’s consolidated balance sheet as of January 1, 2019 (in thousands):

	As reported under Topic 842		Adjustments		Balances under Prior GAAP
Operating lease right-of-use assets	$	10,049	$	(10,049)	$	—
Operating lease liabilities	(2,430)		2,430		—
Other long-term liabilities*	—		140		140
Operating lease liabilities, net of current portion	(7,759)		7,759		—

*Deferred rent included in other long-term liabilities

Leases, Financial Statement Information

Below is supplemental balance sheet information related to leases (in thousands):

		Year Ended December 31,
		2021		2020
Assets	Classification
Right-of-use assets	Operating lease right-of-use assets	$	14,627	$	17,076
Finance lease	Property and equipment, net	392		467
Total leased assets		$	15,019	$	17,543

		Year Ended December 31,
		2021		2020
Liabilities	Classification
Operating lease liabilities
Operating lease liabilities, current	Operating lease liabilities	$	2,419	$	2,260
Operating lease liabilities , non-current	Operating lease liabilities, net of current portion	13,483		15,950
Total Operating lease liabilities		$	15,902	$	18,210

		Year Ended December 31,
	Classification	2021		2020
Finance lease liabilities
Finance lease liabilities, current	Accrued liabilities	$	554	$	370
Finance lease liabilities, non-current	Other long-term liabilities	730		241
Total Finance lease liabilities		$	1,284	$	611

ease costs during the twelve months ended  December 31, 2021 and December 31, 2020 (in thousands): 

		Year Ended December 31,
		2021		2020		2019
Finance lease cost	Amortization expense	$	484	$	431	$	704
Finance lease cost	Interest for finance lease	$	59	$	63	$	88
Operating lease cost	Operating lease expense	$	3,542	$	3,275	$	2,892

Cash paid for amounts included in the measurement of lease liabilities during the twelve months ended December 31, 2021 and December 31, 2020 were as follows (in thousands):

		Year Ended December 31,
		2021		2020		2019
Operating cash flow	Finance lease	$	56	$	63	$	88
Financing cash flow	Finance lease	$	462	$	537	$	649
Operating cash flow	Operating lease	$	3,092	$	2,139	$	2,820

Lessee, Operating Lease, Liability, Maturity

Maturities of operating lease liabilities were as follows as of December 31, 2021 (in thousands):

	Amount
2022	$	3,121
2023	3,160
2024	2,874
2025	2,875
2026	2,970
Thereafter	3,338
Total lease payments	18,338
Less: imputed interest	(2,436)
Present value of lease liabilities	$	15,902

Finance Lease, Liability, Fiscal Year Maturity

As of December 31, 2021, the Company was committed to minimum lease payments for vehicles leased under long-term non-cancelable finance leases as follows (in thousands):

	Amount
2022	$	601
2023	347
2024	409
2025	22
Total lease payments	1,379
Less: imputed interest	(95)
Present value of lease liabilities	$	1,284

Lease, Cost

Weighted-average remaining lease term and discount rate, as of December 31, 2021, were as follows:

Lease Term and Discount Rate
Weighted-average remaining lease term (years)
Operating leases	5.8
Finance leases	2.1
Weighted-average discount rate
Operating leases	4.8	%
Finance leases	6.7	%

Operating Lease, Lease Income

The following table summarizes the amount of operating lease income included in product revenue in the accompanying consolidated statements of operations (in thousands):

	Year Ended December 31, 2021		Year Ended December 31, 2020
Operating lease income from equipment rentals	$	149	$	367