Annual report pursuant to Section 13 and 15(d)

Note 5 - Loss Per Share (Details Textual)

v3.21.1
Note 5 - Loss Per Share (Details Textual) - shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Stock Options and Warrants [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 1,111,744 1,487,681
Restricted Stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 60,000 15,000