Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2016

Notes Tables

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

	Years Ended December 31,
	2016		2015
Weighted average common shares outstanding - basic		10,313,747		10,473,210
Potentially dilutive securities:
Unvested shares of restricted stock and employee stock options		19,173		20,620
Weighted average common shares outstanding - diluted		10,332,920		10,493,830
Average number of potentially dilutive securities excluded from calculation		18,658		-