Note 2 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2020

Notes Tables

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

	Three Months Ended June 30,				Six Months Ended June 30,
	20 20		201 9		20 20		201 9
Weighted average common shares outstanding - basic		10,252,490		10,411,276		10,236,672		10,398,147
Potentially dilutive securities:
Unvested shares of restricted stock and employee stock options		6,427		-		-		21,767
Weighted average common shares and common share equivalents outstanding - diluted		10,258,917		10,411,276		10,236,672		10,419,914
Average number of potentially dilutive securities excluded from calculation		711,499		618,071		719,832		423,962