Found an article about them that may be of interest to TNTTT folks.

citylab.com
Pedal Away From It All—With an Ultralight Camper Trailer Attached
Wide Path Campers make bike-camping more accessible (and comfortable).
Feargus O'Sullivan
@FeargusOSull
Nov 3, 2014
Love camping but don’t like using a car to get into the great wide open? This can be a sticking point for those seeking a green, back-to-nature experience: Unless you are backpack-trekking with a bare-bones pup tent, getting all the camping paraphernalia you need for a comfortable trip into the wild can be nigh on impossible without burning gas. A Danish company has just come up with a plausible, neatly designed answer to this problem: a travel trailer light enough to haul behind a bike.