Note 7 - Stockholders' Deficit - Shares Reserved for Future Issuance (Details) - shares |
12 Months Ended | |
|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
|
| Common stock options issued and outstanding (in shares) | 19,222 | 19,222 |
| Total (in shares) | 127,294 | 127,294 |
| Warrants Reserve for Series A Convertible Preferred Stock [Member] | ||
| Class of Warrant or Right, Number of Securities Called by Warrants or Rights | 330,000 | 330,000 |
| Series A Preferred Stock [Member] | ||
| Series A convertible preferred stock (in shares) | 56,673,000 | 56,673,000 |
| Conversion Of Stock Shares Issued1 | 11,335 | 11,335 |
| Series B Preferred Stock [Member] | ||
| Series A convertible preferred stock (in shares) | 51,069,000 | 51,069,000 |
| Conversion Of Stock Shares Issued1 | 10,214 | 10,214 |