Leases - Schedule of Right-of-Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Lessee Lease Description [Line Items]
Right-of-use assets	$ 2,214	$ 2,539
Lease liabilities	2,324	2,648
Del Mar, CA [Member]
Lessee Lease Description [Line Items]
Right-of-use assets	109	186
Lease liabilities	119	203
Hayward, CA [Member]
Lessee Lease Description [Line Items]
Right-of-use assets	1,382	1,525
Lease liabilities	1,456	1,594
San Diego, CA [Member]
Lessee Lease Description [Line Items]
Right-of-use assets	418	477
Lease liabilities	441	498
Edwardsville, IL [Member]
Lessee Lease Description [Line Items]
Right-of-use assets	305	351
Lease liabilities	$ 308	$ 353