It's definitely a 1:10,000 reverse split. Here's a screen grab from the FINRA Daily List. Note the circled area:
To see for yourself, go to the following link and either type MJMD into the issue field with today's date in the range, or for the rest of today, just look at page 2. Then, to see the popup which shows the reverse details, click the image in the "Details" column:
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