Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2015

Accounting Policies [Abstract]

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

(dollars in thousands, except per share amounts)	2015		2014		2013
Net income (loss) - basic and diluted	$	2,433	$	2,442	$	(3,480	)
Weighted average shares outstanding		37,818		34,232		25,973
Net income (loss) per share – basic	$	0.06	$	0.07	$	(0.13	)
Weighted average shares outstanding (including dilutive CSEs)		38,094		34,591		25,973
Net income (loss) per share – diluted	$	0.06	$	0.07	$	(0.13	)

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

(in thousands)	2015		2014		2013
Anti-dilutive securities
Share based compensation awards		1,671		1,136		1,216
Convertible securities		1,662		1,662		1,662
Total anti-dilutive securities		3,333		2,798		2,878