Note 2 - Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

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

	Three Months Ended March,
	201 9		201 8
Weighted average common shares outstanding - basic		10,385,017		10,326,309
Potentially dilutive securities:
Unvested shares of restricted stock and employee stock options		29,313		38,997
Weighted average common shares and common share equivalents outstanding - diluted		10,414,330		10,365,306
Average number of potentially dilutive securities excluded from calculation		284,240		103,756