Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

(dollars in thousands, except per share amounts)	2016		2015		2014
Net income - basic and diluted	$	4,945	$	2,433	$	2,442
Weighted average shares outstanding		39,281		37,818		34,232
Net income per share – basic	$	0.13	$	0.06	$	0.07
Weighted average shares outstanding (including dilutive CSEs)		39,865		38,094		34,591
Net income per share – diluted	$	0.12	$	0.06	$	0.07

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

(in thousands)	2016		2015		2014
Anti-dilutive securities
Share based compensation awards		1,747		1,671		1,136
Convertible securities		1,662		1,662		1,662
Total anti-dilutive securities		3,409		3,333		2,798