Annual report pursuant to Section 13 and 15(d)

Lease Obligations

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Lease Obligations
 12 Months Ended
Dec. 31, 2021
Debt Disclosure [Abstract]  
Lease Obligations Lease Obligations
The Company maintains a five-year operating lease agreement for its headquarters and manufacturing facility in Richmond, California, or the Richmond Lease, which expires in May 2022, with no further options to extend or terminate. The lease includes non-lease components (i.e. common area maintenance costs) that are paid separately from rent based on actual costs incurred. In June 2020, the Company entered into an amendment to the Richmond Lease to make a one-time payment of $300 to cover its remaining lease obligations for the remainder of 2020, resulting in a $48 abatement and a lease payment deferral of $79 to be paid in equal monthly installments in 2021.

The Company's five-year operating lease agreement for its European operations office in Hamburg, Germany expires in July 2022. It has an option to extend for another five-year term.

The Company’s future lease payments as of December 31, 2021 are as follows, which are presented as lease liabilities on the Company’s consolidated balance sheets:
Period Operating
Leases
2022 $ 233 
Total lease payments 233 
Less: imputed interest (4)
Present value of lease liabilities $ 229 
Lease liabilities, current $ 229 
Lease liabilities — 
Total lease liabilities $ 229 
Weighted-average remaining term (in years) 0.44
Weighted-average discount rate 10.5  %
Lease expense under the Company’s operating leases was $527 and $537, for the years ended December 31, 2021 and 2020, respectively.