A small correction, G&A is everything which cannot be directly tied to per unit of sale. So if they have say employee(s) who work on installing and maintaining an active directory software - used by everyone in the company, those salaries will also be part of G&A.
By comparison, Cloudera is quite similar: 42% on Tech, 45% on Sales, 13% on Management. They made $261M last year and spent $448M, losing -$187M across 1,470 employees ($305k per employee)