So as far as I can tell they lost 318K, but they don't need to grow gross revenue by very much to close the profitability gap.
Sounds awesome but currently the net revenue was 700k which means they spent ~$1mm on other stuff besides driver payouts. Some of that will grow with the business (e.g. customer service, server hosting costs), some is fixed (e.g. you only need one CEO).
If they can grow the revenue without also growing expenses then they'll hit breakeven by ~doubling revenue, maybe more, maybe less.
Interestingly, i just checked their prices to JFK and they're about the same as Uber. So if they grow beyond breakeven, then they could undercut Uber's current prices...
But regardless of that if you are launching a new service business and you've got $5MM is sales and you need to hit $8MM in your second full year of operation to become profitable, I'll call that almost profitable!