Majority of those losses is because Twitter pays its employees large amounts of stock to retain them.
Check out this analysis on how exorbitant Twitter's stock based compensation is vs. Facebook: https://medium.com/@fwiwm2c/stock-based-compensation-faceboo...
That's probably the only good thing about Twitter then. The people making the site should be better rewarded than those at the top, that have less to do with it.
If their employee compensation, which includes stock-based compensation, decreases then their expenses will go down and their losses will decrease. Of course, presumably their ability to attract and retain employees will also decrease.
A lower stock price could translate into lower stock-based compensation costs but you'd have to dive into the details of what they issue and how they issue it.
