Basic and Diluted Net Income Per Share (Details) - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Weighted average common shares outstanding, basic	5,443,150	5,399,270	5,432,902	5,387,232
Dilutive common equivalent shares	11,000	9,000	7,000	10,000
Weighted average common shares outstanding, diluted	5,454,167	5,408,372	5,440,376	5,396,740