Note 2 - Summary of Significant Accounting Policies (Tables)

9 Months Ended

Sep. 30, 2017

Notes Tables

Schedule of Weighted Average Number of Shares [Table Text Block]

	Three Months Ended Sept ember 30,				Nine Months Ended Sept ember 30,
	2017		2016		2017		2016
Weighted average common shares outstanding - basic		10,288,325		10,295,447		10,276,682		10,327,095
Potentially dilutive securities:
Unvested shares of restricted stock and stock options		62,684		23,268		50,398		17,652
Weighted average common shares and common share equivalents outstanding - diluted		10,351,009		10,318,715		10,327,080		10,344,747
Average number of potentially dilutive securities excluded from calculation		96,000		19,800		79,753		18,277