Electromagnetic Geoservices (EMGS) snapped a run of red ink to return an operating profit in the final three months of 2018.
While the figure was down on a year-on-year basis, the company has recorded three successive operating losses in the interim.
Oslo-listed EMGS posted an an operating profit of $600,000 for the final quarter 2018, compared to $1.2m 12 months earlier.