Fixed Assets - Leases - Supplemental balance sheet and cash flow information (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Operating Lease
Operating lease ROU assets, net	$ 204		$ 235
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Property, Plant and Equipment, Net		Property, Plant and Equipment, Net
Lease Liabilities:
Current lease liabilities	$ 82		$ 71
Long term lease liabilities	128		172
Total lease liabilities	$ 210		$ 243
Weighted average remaining lease term (in years)	2 years 8 months 12 days		2 years 4 months 24 days
Weighted average discount rate	5.30%		5.20%
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows used in operating leases	$ 73	$ 134
Change in operating lease liabilities	29	25
Change in operating lease ROU assets	$ 32	$ 39