Income Per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Income Per Share
Weighted average common shares outstanding, basic	7,196,000	7,116,000	7,185,000	7,096,000
Weighted average common equivalent shares due to stock options and RSUs	75,000	94,000	78,000	107,000
Weighted average common shares outstanding, diluted	7,271,000	7,210,000	7,263,000	7,203,000
Number of stock awards excluded from the computation of diluted income per share	52,377	82,719	53,695	82,719