That $1.8 million loan was repaid in full by end of January 2016.
They took it out on New Years Eve, just hours before it wouldn't have been on the 10-K. Then they, as you said, repaid it in full in less than a week later. That's exactly why I called it an accounting gimmick to make their numbers look better especially on the cash flow side.
They actually repaid the entire loan so fast that the loan was gone before they even disclosed it:
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