Net Income Per Share (Schedule of Net Income per Basic and Diluted Shares) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Earnings Per Share [Abstract]
Net income	$ 3,591	$ 1,441
Weighted Average Shares Outstanding, Basic (in shares)	7,393	7,293
Per Share Amount, Basic (in dollars per share)	$ 0.49	$ 0.2
Weighted Average Shares Outstanding, Dilutive effect of common equivalent shares (in shares)	188	170
Per Share Amount, Dilutive effect of common equivalent shares (in dollars per share)	$ (0.02)	$ (0.01)
Weighted Average Shares Outstanding, Dilutive (in shares)	7,581	7,463
Per Share Amount, Dilutive (in dollars per share)	$ 0.47	$ 0.19