Note 2 - Summary of Significant Accounting Policies (Details) - Weighted Average Common Shares	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Weighted Average Common Shares [Abstract]
Weighted average common shares outstanding - basic	10,377,189	10,302,417	10,358,960	10,260,601
Potentially dilutive securities:
Employee stock options and unvested shares of restricted stock	26,906	57,960	25,010	87,579
Weighted average common shares and common share equivalents outstanding - diluted	10,404,095	10,360,377	10,383,970	10,348,180
Average number of potentially dilutive securities excluded from calculation	12,500	229,675	16,715	42,720