Note 2 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2013

Accounting Policies [Abstract]

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

	Three Months Ended June 30,				Six Months Ended June 30,
	2013		2012		2013		2012
Weighted average common shares outstanding - basic		10,371,716		10,273,812		10,349,695		10,239,463
Potentially dilutive securities:
Employee stock options and unvested shares of restricted stock		22,378		85,845		30,584		102,551
Weighted average common shares and common share equivalents outstanding - diluted		10,394,094		10,359,657		10,380,279		10,342,014
Average number of potentially dilutive securities excluded from calculation		18,462		31,962		28,605		38,811