Radiance Medical Systems Inc.

The Irvine medical products company reported a first-quarter net loss of $1.4 million, or 13 cents a share, compared with a net loss of $6.3 million, or 60 cents a share, a year ago, which included a one-time charge of $4.2 million related to an acquisition. Revenue increased 33% to $2.4 million. That company attributed the revenue gain to royalties from a license agreement.