Note 11 - Loss Per Share (Tables)

12 Months Ended

Dec. 31, 2015

Notes Tables

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	Year ended December 31,
	2015		2014		2013
Weighted average common shares for basic loss per share		88,155		85,810		80,991
Effect of dilutive securities:
Stock options (*)		-		-		-
Unvested restricted stock (*)		-		-		-
Adjusted weighted average shares for diluted loss per share		88,155		85,810		80,991

Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block]

	Year ended December 31,
	2015		2014		2013
Stock options		947		1,219		1,959
Unvested restricted stock		2,657		3,104		2,872