The phrase "low thousands" means a number that is less than 2,000 but is still in the range of thousands.
Sentences with «low thousands»
Usually done in the range of the lower hundreds of samples and lower thousands of antigens. (scilifelab.se)
The infant, one of two from the site, belonged to a population that likely numbered in the low thousands, who hunted Beringia's abundant herds and gathered plants. (sciencemag.org)
In the United States, cases number in the low thousands, out of a population of around 3,30 million. (sciencedaily.com)