Net Income Per Share (Schedule of Net Income per Basic and Diluted Shares) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net income	$ 4,389	$ 3,109	$ 7,980	$ 4,550
Weighted Average Shares Outstanding, Basic (in shares)	7,404	7,299	7,398	7,296
Per Share Amount, Basic (in dollars per share)	$ 0.59	$ 0.43	$ 1.08	$ 0.62
Weighted Average Shares Outstanding, Dilutive effect of common equivalent shares (in shares)	199	218	194	194
Per Share Amount, Dilutive effect of common equivalent shares (in dollars per share)	$ (0.01)	$ (0.02)	$ (0.03)	$ (0.01)
Weighted Average Shares Outstanding, Dilutive (in shares)	7,603	7,517	7,592	7,490
Per Share Amount, Dilutive (in dollars per share)	$ 0.58	$ 0.41	$ 1.05	$ 0.61