Stock-Based Compensation (Schedule Of Stock Options Activity) (Details) - Employee Stock Option [Member] - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Beginning balance, Number of Shares	300,000	332,500
Granted, Number of Shares	100,000	0
Exercised, Number of Shares	0	(32,500)
Canceled/forfeited/expired, Number of Shares	(225,000)	0
Ending balance, Number of Shares	175,000	300,000	332,500
Vested and Exercisable, Number of Shares	95,000
Beginning balance, Weighted-Average Exercise Price	$ 4.35	$ 4.3
Granted, Weighted-Average Exercise Price	4.25
Exercised, Weighted-Average Exercise Price		3.76
Expired, Weighted Average Exercise Price	4.57
Ending balance, Weighted-Average Exercise Price	4.06	$ 4.35	$ 4.3
Vested and Exercisable, Weighted-Average Exercise Price	$ 3.84
Balance, Weighted-Average Remaining Contractual Term	6 years 9 months 18 days	1 year 4 months 24 days	2 years 7 months 6 days
Granted, Weighted-Average Remaining Contractual Term	9 years 8 months 12 days
Exercised, Weighted-Average Remaining Contractual Term		3 years 4 months 24 days
Expired, Weighted-Average Remaining Contractual Term	0 years
Outstanding, Intrinsic Value	$ 20
Vested and exercisable, Aggregate Intrinsic Value	$ 20