I'm not sure your expectation, their expenses / burn are low for...

I'm not sure your expectation, their expenses / burn are low for an early stage tech co. Fortunately the product is ready to go to market.

Insta360 cameras are ~$700 online, so my guess is they have around 17 cameras.

Your reference to note 22 is either misinformed or you are down ramping. Perhaps take a look at the annual report of your other hold that you flag as a "Buy".
https://www.investopedia.com/terms/g/goingconcern.asp

Moving forward like any company at this stage, it is very likely there will another raise. The main variable will be the growth rate of pirsee sales, if it takes off they'll have income, raise later, and at a higher share price.