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 |
| X | ||||||||||
- References No definition available.
|
| X | ||||||||||
- Definition Number of warrants or rights outstanding. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- References No definition available.
|