ShareBased Employee Compensation (Details 3)	Dec. 31, 2021 $ / shares shares
Stock Options Exercisable | shares	361,600
Weighted Average Exercise Price Per Share, Exercisable	$ 3.80
Minimum [Member]
Exercise Price One	2.23
Exercise Price Two	4.07
Maximum [Member]
Exercise Price One	3.83
Exercise Price Two	$ 5.10
Exercise Price 2.23 [Member]
Stock Options Exercisable | shares	211,000
Weighted Average Exercise Price Per Share, Exercisable	$ 3.20
Exercise Price 4.07 [Member]
Stock Options Exercisable | shares	150,600
Weighted Average Exercise Price Per Share, Exercisable	$ 4.66