This articles is a bit old now, but puts the price well within...

This articles is a bit old now, but puts the price well within the $75k - $100k price range, being around half the price of "contemporary machines" back in 2016. I would expect the price is similar or higher now, particularly if they are rush orders and the drop in the AUD. The 0.2 mil order in this announcement would most likely be 2 machine and from the wording to different customers.

https://www.adelaidenow.com.au/business/sa-business-journal/the-drx-revolution-nano-is-like-nothing-we-have-seen-before-said-peter-rowland-head-of-tonsley-startup-microx/news-story/dcf2116309966d4d1319eca623b661fd
Hard to gauge what the profit margin is, but since they have brought the X-ray tub manufacturing in-house the margin has increased and increasing their inventory with large orders as they are doing now has also decreased their material cost.

I've been holding for well over a year, having average down a couple times. Would have bought more in the dip if I had the money, definitely a bright future with the military work being commercialised this year and the increased product awareness because of COVID-19 helping to over come some product awareness/familiarity issues they were having last year.

Make your own decision though, just my thoughts.