Ann: Half Yearly Report and Accounts, page-12

For a company with an EV of circa $3m you wouldn't find a much better HY. Overheads are well controlled and the increased tendering activity gives some solid hope for more contracts to be awarded in the coming months.

This is essentially a clip the ticket operation that takes a portion of the charge out rate from the contact workforce.  Larger workforce = larger revenue

2018 Workforce Capacity and Capability
There were approximately 20 staff at the end of the reporting period, although a recent contract award in the new year has seen those numbers rise sharply. At the time of this report, RDG employed approximately 50 personnel. RDG has continued to retain various key personnel during the period which have enabled it to mobilise quickly and commence works under the recent contract awarded at the Wodgina mine site.