This spring they did a reverse stock split that helped them pay the bonds. It was a drastic, last minute move of desperation that help them last a lil longer, but Mesa is indeed on its deathbed.

This may help:
Investopedia explains Reverse Stock Split
For example, a 1-for-2 reverse split means you get half as many shares, but at twice the price. It's usually a bad sign if a company is forced to reverse split - firms do it to make their stock look more valuable when, in fact, nothing has changed. A company may also do a reverse split to avoid being delisted.