iRobot, maker of the Roomba autonomous vacuum, has suffered over the past few years from slumping sales, failed new products, and an aborted takeover attempt by Amazon.

Roomba’s parent company is warning that its future is on shaky ground, more than a year after a planned $1.7 billion acquisition by Amazon fell through.

Its financial situation has worsened since Amazon walked away from its $1.7 billion acquisition of iRobot last year, citing regulatory hurdles.

The Roomba manufacturer warns there’s ‘substantial doubt’ about its ability to continue as its stock price keeps sliding.

Roombas have always been a staple in the robot vacuum market because iRobot is often the first brand to bring innovative new robot vacuum features to the mainstream. Everyone was wowed by a robot vacuum that could remember a map of your home or empty itself with the i7+ in 2018, or a robot vacuum that could avoid phone chargers with the j7 in 2021.

Robot is gearing up for its biggest product launch ever, with multiple robot vacuums up for presale on March 18. Here's a look at what's arriving later this year.The Latest Tech News, Delivered to You

This year has been huge for robot vacuums, with new and upcoming models from Dreame, Eureka, and Roborock now clambering over obstacles, targeting water spills and even picking up your socks, all in the name of more effective,