Is this fixable? Did I brick this thing?!

Here's my problem...
My Kindle Fire HD (Jem) is stuck on the Kindle Fire boot screen (orange logo, no animation). I haven't been able to get it to mount to any of my computers running various operating systems. More details below.

Here are the steps that made my device like this...

1. Got root using the latest eploit for 8.5.1 successfully. I confirmed that I did have root level access.
2. Side loaded FireFlash11
3. Used FireFlash11 to try installing 2nd-bootloader, TWRP and CM. I got the files from here: http://ift.tt/1q757NV
4. Booted into recovery mode and immediately performed a backup.
5. When I soft rebooted after the backup I only ever saw the Kindle Fire boot screen (orange logo, no animation).

Some other notes...

• In Ubuntu when I hard shut down the device and then start it up I get the message Unable to mount JEM-etc. etc.
• In Windows if I when I hard shut down the device and then start it up I see something about JEM-etc etc in device manager for a quick second and then it dissapears.
• I tried SoupKit on Ubuntu with no luck. I've tried just about every option but no luck. The device never mounts.
• I've never had root on this device before. I just got this device a couple of days ago.

Please help! Thanks in advance for your time and effort!

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