Surna retools operations following lack of cash flow in 2018

BOULDER — Surna Inc. (OTC: SRNA), a manufacturer of environmental-control and air-sanitation systems for indoor cannabis-cultivation facilities, posted a net loss of $4.7 million in 2018, or a loss of 2 cents per share

It’s a bit of an improvement on 2017, when the company had a net loss of $4.9 million, or 3 cents per share. Total shares grew from 183 million in 2017 to 219 million in 2018.

Surna had a Q4 2018 net loss of $816,000, a significant improvement over the same period the year prior, when it…