[gyardley]

Almost twenty employees, working remotely so you're probably not management, significant traction already, likely access to additional capital - okay, the equity seems a little low for 2015 but not obscenely so. There's more equity out there, but for riskier situations - earlier employees at companies with no prospects of further funding at their current level of traction.

Since your equity has a relatively small chance of being worth anything anyway, 'significant traction' or not, I'd focus on the things that'll definitely be a factor in your life - things like the work, the people, your salary, and so on.