Of that, $1.081 million was "Services Revenue" and only $41,000 was from staking revenue. They may be buying and mining HEX. But it's also likely, based on the wording of their PR, that they are getting revenue from working on a HEX programming project for a customer...
Consequently, based on their 1FQ22 results, it's more likely that the revenue is coming from services rather than Crypto. From the 10-Q...
The company only recorded $72,000 in "Other Revenue" for 1FQ22. It's unlikely they've switched to selling their crypto assets the following quarter and are touting this as an increase in revenue.