The Frontline-owned company reported a net loss of $5.8m, or $0.08 per share, for the period versus a loss of $1.9m for the fourth quarter of 2012.
Dry docking costs helped push operating expenses up by close to 50% from $12m in the final stretch of 2012 to $17m in the fourth quarter of last year.
That wiped out a rise in revenue to $17.6m