Condensed Statement of Stockholders’ (Deficit) Equity - USD ($) $ in Thousands |
Common Stock Par value $0.0001 |
Additional Paid-in Capital |
Accumulated Deficit |
Total |
|---|---|---|---|---|
| Balance at Dec. 31, 2017 | $ 775 | $ (4,736) | $ (3,961) | |
| Balance (in shares) at Dec. 31, 2017 | 5,458,450 | |||
| Increase (Decrease) in Stockholders' Equity | ||||
| Stock-based compensation expense | 26 | 26 | ||
| Net loss | (2,335) | (2,335) | ||
| Balance at Mar. 31, 2018 | 801 | (7,071) | (6,270) | |
| Balance (in shares) at Mar. 31, 2018 | 5,458,450 | |||
| Balance at Dec. 31, 2018 | 1,665 | (21,257) | (19,592) | |
| Balance (in shares) at Dec. 31, 2018 | 5,513,531 | |||
| Increase (Decrease) in Stockholders' Equity | ||||
| Issuance of common stock warrants in connection with the issuance of convertible promissory notes | 80 | 80 | ||
| Stock-based compensation expense | 325 | 325 | ||
| Net loss | (8,730) | (8,730) | ||
| Balance at Mar. 31, 2019 | $ 2,070 | $ (29,987) | $ (27,917) | |
| Balance (in shares) at Mar. 31, 2019 | 5,513,531 |