Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Jan. 01, 2019
Cash paid for amounts included in measurement of lease liabilities:
Operating cash flows from operating leases	$ 762	$ 656	$ 642
Operating cash flows from finance leases	3	3	6
Financing cash flows from finance leases	28	29	20
Right-of-use assets obtained in exchange for new lease obligations:
Operating leases	5,322		$ 1,638
Operating leases
Operating lease right-of-use assets	5,577	946		$ 1,600
Operating Lease, Liability	5,832
Finance leases
Property, Plant and Equipment, Gross	17,739	15,694
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(14,713)	(13,811)
Property, Plant and Equipment, Net	3,026	$ 1,883
Finance Lease, Liability	$ 47
Weighted Average Remaining Lease Term
Operating Lease, Weighted Average Remaining Lease Term	9 years 256 days	2 years 110 days
Finance Lease, Weighted Average Remaining Lease Term	1 year	2 years
Weighted Average Discount Rate
Operating leases	2.50%	6.00%
Finance leases	6.30%	6.30%
Financial Lease [Member]
Finance leases
Property, Plant and Equipment, Gross	$ 112	$ 112
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment	(56)	(28)
Property, Plant and Equipment, Net	56	84
Other Current Liabilities [Member]
Operating leases
Operating Lease, Liability	849	676
Finance leases
Finance Lease, Liability	21	31
Other Noncurrent Liabilities [Member]
Operating leases
Operating Lease, Liability	4,983	774
Finance leases
Finance Lease, Liability	26	44
Other Liabilities [Member]
Operating leases
Operating Lease, Liability	$ 5,832	$ 1,450