Surna Surna Inc. (OTCQB: SRNA) reported revenue of $1,771,000 for the first quarter versus $2,055,000 for Q1 2018, a decrease of $284,000, or 14%. The company also noted that its fourth-quarter 2018 revenue was $2,195,000, representing a quarter-over-quarter decrease of $424,000, or 19%. In addition to the drop in revenue, Surna delivered a first-quarter net […]