If nothing else it's impressive that yaz has kept this from sinking. Debt for a startup isn't concerning but the china deal was either incompetance or money laundering either way bad news.
This is not money that is "due." The "Derivative Liability" is an ongoing counter of the costs related to the convertible debt that was settled in Q1-17. This will eventually fall to the bottom line as a financing expense, but is not something that needs to be paid.
That leaves the portion that we are all used to thinking of as liabilities (AP, NP, etc) at $1.611m, not 6.422m. IMO.
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