Leases (Supplemental Balance Sheet Information) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Lessee, Lease, Description [Line Items]
Finance lease, liability, current, statement of financial position [extensible enumeration]	Long-Term Debt and Lease Obligation, Current	Long-Term Debt and Lease Obligation, Current
Finance lease, liability, noncurrent, statement of financial position [extensible enumeration]	Amount due after one year	Amount due after one year
Finance leases:
Current portion of notes payable and long-term debt	$ 29	$ 55
Notes payable, long-term debt and other obligations, less current portion	8	41
Total	$ 37	$ 96
Weighted average remaining lease term in years:
Operating leases	2 years 6 months 25 days	3 years 4 months 9 days
Finance leases	1 year 3 months	1 year 10 months 2 days
Weighted average discount rate:
Operating leases	9.89%	9.60%
Finance leases	8.85%	8.21%
Financing lease equipment
Finance leases:
Property, plant and equipment, at cost	$ 0	$ 748
Accumulated amortization	0	(718)
Investments in real estate, net
Finance leases:
Property and equipment, net	0	30
Property, plant and equipment, at cost
Finance leases:
Property and equipment, net	32	57
Property, plant and equipment, at cost	127	127
Accumulated amortization	$ (95)	$ (70)