Condensed Statements Of Changes In Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock Issued [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]
Beginning Balance at Dec. 31, 2020	$ 12,774	$ 339	$ 2,036	$ 10,398	$ 1
Beginning Balance, Shares at Dec. 31, 2020		3,395,521
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	1		1
Net loss	(2)			(2)
Ending Balance at Mar. 31, 2021	12,773	$ 339	2,037	10,396	1
Ending Balance, Shares at Mar. 31, 2021		3,395,521
Beginning Balance at Dec. 31, 2021	13,188	$ 339	2,041	10,808	0
Beginning Balance, Shares at Dec. 31, 2021		3,395,521
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	1		1
Net loss	(9)			(9)
Ending Balance at Mar. 31, 2022	$ 13,180	$ 339	$ 2,042	$ 10,799	$ 0
Ending Balance, Shares at Mar. 31, 2022		3,395,521