Note 2 - Summary of Significant Accounting Policies (Details) - Weighted Average Common Shares	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Weighted Average Common Shares [Abstract]
Weighted average common shares outstanding - basic	10,436,730	10,371,716	10,415,461	10,349,695
Employee stock options and unvested shares of restricted stock	19,453	22,378	37,106	30,584
Weighted average common shares and common share equivalents outstanding - diluted	10,456,183	10,394,094	10,452,567	10,380,279
Average number of potentially dilutive securities excluded from calculation	94,807	18,462	96,037	28,605