Quarterly report pursuant to Section 13 or 15(d)

Note 6 - Earnings (Loss) Per Share (Details Textual)

v3.7.0.1
Note 6 - Earnings (Loss) Per Share (Details Textual) - shares
6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Stock Options, Warrants, Convertible Debt, and Convertible Preferred Stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 15,700,000 14,700,000
Restricted Stock [Member]    
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 200,000 257,000