Note 2 - Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2020

Notes Tables

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

	Three Months Ended March,
	20 20		201 9
Weighted average common shares outstanding - basic		10,220,853		10,385,017
Potentially dilutive securities:
Unvested shares of restricted stock and employee stock options		-		29,313
Weighted average common shares and common share equivalents outstanding - diluted		10,220,853		10,414,330
Average number of potentially dilutive securities excluded from calculation		685,667		284,240