Leases (Tables)

12 Months Ended

Dec. 31, 2022

For the years ended December 31, 2022 and 2021, the net operating lease expenses were as follows (in thousands):

	Years ended December 31,
	2022			2021
Operating lease expense	$	595		$	688
Sublease income		(84	)		(84	)
Variable lease expense		150			19
Total lease expense	$	661		$	623

Operating Lease Right-of-use Assets and Liabilities

The tables below show the beginning balances of the operating ROU assets and lease liabilities as of January 1, 2022 and the ending balances as of December 31, 2022, including the changes during the period (in thousands).

	Operating Lease ROU Assets

Operating lease ROU assets at January 1, 2022	$	2,567
Initial measurement of ROU asset		1,706
Amortization of operating lease ROU assets		(336	)
Impairment of ROU asset		(772	)
Remeasurment of ROU asset		(813	)
Reclassification from fixed assets to ROU assets		50
Write off of ROU asset due to lease termination		(1,372	)
Operating lease ROU assets at December 31, 2022	$	1,030

	Operating Lease Liabilities
Operating lease liabilities at January 1, 2022	$	2,723
Initial measurement of operating lease liabilities		1,706
Principal payments on operating lease liabilties		(340	)
Remeasurment of lease liability		(1,454	)
Write off of lease liability due to lease termination		(1,453	)
Operating lease liabilities at December 31, 2022		1,182
Less non-current portion		887
Current portion at December 31, 2022	$	295

Maturities of Operating Lease Liabilities

The maturities of the operating lease liabilities are as follows (in thousands):

	As of December 31, 2022
2023	$	403
2024		272
2025		274
2026		267
2027		163
Thereafter		82
Total payments		1,461
Less imputed interest		(279	)
Total operating lease liabilities	$	1,182

Future Lease Payments from Sublease Agreement

The following tables shows the future payments the Company expects to receive from the Tenant over the remaining term of the sublease (in thousands):

	As of December 31, 2022
2023	$	84
2024		86
2025		88
2026		75
	$	333