Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2020

Commitments And Contingencies Disclosure [Abstract]

Summary of Lease Liabilities and Right-of-Use Assets

The table below summarizes the Company’s lease liabilities and corresponding right-of-use assets (in thousands, except years and rates):

		2020			2019
Assets
Operating	$	636		$	781
Financing		7			134
Total leased assets	$	643		$	915

Liabilities
Current:
Operating	$	123		$	147
Financing	10			120
Noncurrent:
Operating	528			646
Financing		—		8
Total lease liabilities	$	661		$	921

Weighted-average remaining lease term (years) - operating leases	6.57			6.89
Weighted-average remaining lease term (years) - finance leases	0.42			1.08
Weighted-average discount rate - operating leases		7.79	%		7.93	%
Weighted-average discount rate - finance leases		5.00	%		5.00	%

Summary of Lease Costs

The table below summarizes the Company’s lease costs from its consolidated statements of operations, and cash payments from its consolidated statements of cash flows.

	Year Ended December 31,
		2020		2019
Lease expense:
Operating lease expense	$	210	$	225
Finance lease expense:
Depreciation of right-of-use assets		127	116
Interest expense on lease liabilities	4		9
Total lease expense	$	341	$	350

Cash payment information:
Operating cash used for operating leases	$	204	$	213
Financing cash used for financing leases	117		131
Total cash paid for amounts included in the measurement of lease liabilities	$	321	$	344

Summary of Future Minimum Annual Lease Payments under Operating and Financing Leases

The Company’s future minimum annual lease payments under operating and financing leases at December 31, 2020 are as follows (in thousands):


	Financing Leases		Operating Leases

2021	$	10	$	183
2022		—	123
2023		—	100
2024		—	106
2025		—	108
Thereafter		—		233
Total minimum lease payments	$	10	$	853
Less: amount representing interest		—		(202	)
Present value of obligations under leases		10		651
Less: current portion	$	10	$	(123	)
Noncurrent lease obligations		—		528