Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Earnings Per Share (Details Textual)

v3.19.1
Note 10 - Earnings Per Share (Details Textual) - shares
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Stock Options And Restricted Stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 260,571 197,411
Performance Shares [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 269,138 233,596