Note 5 - Net Income Per Share (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Weighted Average Number of Shares [Table Text Block]

	Three Months Ended September 30,				Nine Months Ended September 30,
	2012		2011		2012		2011
Weighted average shares outstanding (basic)		22,668,020		22,584,770		22,657,940		22,457,246
Incremental shares from assumed option exercise		407,552		294,211		441,370		228,068
Weighted average shares outstanding (diluted)		23,075,572		22,878,981		23,099,310		22,685,314