Commitments and Contingencies Deferred Warranty Revenue (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Deferred Revenue Arrangement [Line Items]
Deferred Costs, Service Revenue	$ 6,700	$ 56,000
Deferred revenue extended warranties, current	83,000
Deferred revenue extended warranties, noncurrent	56,000
Deferred revenue [Member]
Deferred Revenue Arrangement [Line Items]
Deferred Revenue, period start	214,000	739,000
Revenue recognized during the period	(190,000)	(760,000)
Standard and Extended Product Warranty Accrual, Increase for Warranties Issued	115,000	369,000
Liabilities sold		(134,000)
Deferred Revenue, period end	$ 139,000	$ 214,000