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Restricted Stock Plan (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended		12 Months Ended
Restricted Stock Plan (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2018	Dec. 31, 2017
Shares
Non-vested balance at beginning of period (in shares)		28,000
Non-vested balance at end of period (in shares)		18,669
Employees \| Restricted stock
Shares
Granted (in shares)		18,669
Restricted Stock Plan \| Restricted stock
Stock options
Shares reserved for issuance		405,805
Weighted Average Grant Date Fair Value
Stock-based compensation expense recognized in earnings	$ 0		$ 4
Stock based compensation expense, net of tax			$ 3
Total unrecognized compensation cost related to non-vested restricted stock units		$ 0
Restricted Stock Plan \| Employees \| Restricted stock
Shares
Granted (in shares)				9,000	5,000
Non-vested balance at end of period (in shares)		0
Restricted Stock Plan \| Employees \| Restricted stock \| Minimum
Stock options
Vesting period (in years)				2 years	2 years
Restricted Stock Plan \| Employees \| Restricted stock \| Maximum
Stock options
Vesting period (in years)				3 years	3 years