Financial Commitments & Contingencies and Key License Agreements (Tables)

12 Months Ended

Dec. 31, 2021

Commitments and Contingencies Disclosure [Abstract]

Schedule of Lease Assets and Liabilities

The below table summarizes the lease asset and liability accounts presented on our accompanying Consolidated Balance Sheets:

Operating Leases	Consolidated Balance Sheet Caption	December 31, 2021		December 31, 2020
Operating lease right-of-use assets - non-current	Facility and equipment under lease	$	2,505	$	2,247
Operating lease liabilities - current	Accounts payable and other accrued liabilities	$	1,282	$	1,544
Operating lease liabilities - non-current	Other long-term liabilities	1,452		883
Total operating lease liabilities		$	2,734	$	2,427

Schedule of Aggregate Lease Expense

The components of our aggregate lease expense is summarized below:

	Year Ended December 31, 2021		Year Ended December 31, 2020
Operating lease cost	$	1,711	$	1,865
Variable lease cost	378		411
Short-term lease cost	63		61
Total lease cost	$	2,152	$	2,337

Weighted Average Remaining Lease Term and Applied Discount Rate

	Weighted Average Remaining Lease Term	Weighted Average Discount Rate
Operating leases as of December 31, 2021	2.7 years	3.8%
Operating leases as of December 31, 2020	1.6 years	7.8%

Schedule of Future Contractual Lease Payments

The below table summarizes our (i) minimum lease payments over the next five years, (ii) lease arrangement implied interest, and (iii) present value of future lease payments:

Operating Leases - future payments	December 31, 2021
2022	$	1,344
2023	657
2024	669
2025	98
2026	73
Total future lease payments, undiscounted	$	2,841
(Less): Implied interest	(107)
Present value of operating lease payments	$	2,734