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, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Earnings Per Share [Abstract]
Net income	$ 1,633	$ 464	$ 2,477	$ 959
Weighted Average Shares Outstanding, Basic (in shares)	7,198	7,106	7,177	7,103
Per Share Amount, Basic (in dollars per share)	$ 0.23	$ 0.07	$ 0.35	$ 0.14
Weighted Average Shares Outstanding, Dilutive effect of common equivalent shares (in shares)	249	190	230	206
Per Share Amount, Dilutive effect of common equivalent shares (in usd per share)	$ (0.01)	$ (0.01)	$ (0.02)	$ (0.01)
Weighted Average Shares Outstanding, Dilutive (in shares)	7,447	7,296	7,407	7,309
Per Share Amount, Dilutive (in dollars per share)	$ 0.22	$ 0.06	$ 0.33	$ 0.13