v3.19.1
Note D - Stockholders' Equity (Details 1) - shares
3 Months Ended 12 Months Ended
Mar. 31, 2019
Dec. 31, 2018
STOCKHOLDERS' EQUITY (DEFICIT)    
Number of warrants outstanding, beginning 181,818 545,454
Granted 0 (19,636)
(Exercised) 0 (162,182)
(Forfeited/expired) 0 (181,818)
Number of warrants outstanding, ending 181,818 181,818