Note 2 - Summary of Significant Accounting Policies (Details) - Weighted Average Common Shares - shares	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Weighted Average Common Shares [Abstract]
Weighted average common shares outstanding - basic	10,471,888	10,436,730	10,468,651	10,415,461
Potentially dilutive securities:
Unvested shares of restricted stock	22,569	19,453	20,369	37,106
Weighted average common shares and common share equivalents outstanding - diluted	10,494,457	10,456,183	10,489,020	10,452,567
Average number of potentially dilutive securities excluded from calculation		3,516		6,758