The loss is tiny and indicates profitability is in sight. GroupOn currently has a market cap of about 1.8B, which seems reasonable for a company that size, though perhaps still a bit on the high side given how low their margins are likely to remain.
They went through their childhood years thinking they were going to take over the world, and not too long ago Google offered $6 billion for those dreams. No wonder investors still had some hopes that this was something more than an ordinary business of an ordinary scale. It's not.
If anyone would like to keep dreaming, AMZN was running over $300 million losses on a ~$600 million revenue every single quarter around the year 2000.