Investors vary widely in their risk tolerance depending on their belief's, abilities, expectations, economic situations etc.
Obviously your risk tolerance is at the lower end of the scale, as shown by your insistence of concrete evidence.
What standard of evidence they require is precisely what distinguishes between the different risk tolerances of investors.
Investors such as yourself buy in later and experience less risk but also experience far smaller gains.
What works best for any individual largely depends on their ability to evaluate companies at varying levels of evidence.
Obviously, from what you've said, it is quite a bit early for someone with your risk tolerance to be establishing a position in KBLB. However following a company for a period before investing can be an excellent approach: if and when you do invest you will understand it better. The risk of that approach is arriving at the decision to establish a position at the worst possible time: i.e.: immediately after big news and in the middle of a sharp spike. (Such spikes generally retrace a considerable percentage so it's easy to get "trapped" in a loss position for a considerable period of time.
My suggestion is that you be careful that, if and when you decide to invest in the company, do NOT do so during a sharp spike following a major news event (or preceding one). Wait for the SP to retrace and consolidate. (A bit of DD on charting will tell you signs to watch for.) And "averaging in" investing fixed amounts at fixed time intervals is another approach that reduces the risk of being trapped by a spike: you won't get the best price that way but you will avoid the worst.
It is best to invest in companies (and at times) that fit your risk tolerance. Exceeding your tolerance can lead to impulsive decisions at the worst possible times.
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