Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Accounting Policies [Abstract]

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

	Years ended December 31,
	2013		2012		2011
Weighted average shares outstanding – basic		117,449		117,572		119,158
Effect of common stock equivalents		1,955		2,450		2,764
Weighted average shares outstanding – diluted		119,404		120,022		121,922