Updated from 4:43 p.m. ET

Evoke Communications

(EVOK) - Get Evoke Pharma, Inc. Report

said Tuesday it expects fourth-quarter revenue to exceed analysts' expectations, but nevertheless plans to take cost-cutting measures that include eliminating about 112 of 320 jobs.

The Louisville, Colo., Internet communication services provider also announced the resignation of its chief financial officer, Terry Kawaja. Evoke, which said it requires "an operationally focused CFO" to support its restructuring strategy, said Ken Mesikapp, the current vice president, would be the acting financial chief.

Evoke didn't provide any bottom line figures, but said it would take additional charges related to the job cuts in its first-quarter report. Analysts surveyed by

First Call/Thomson Financial

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expect a fourth-quarter loss of 36 cents a share, as well as fourth-quarter revenue of $7.52 million.

Evoke said today its restructuring plan will eliminate its back-end service engines to "significantly" reduce operational expenses.

Shares of Evoke bounced 54 cents, or 31.5%, to $1.75 at Tuesday's close on the


. They recently gained 50 cents, or 28.6%, to $2.25 in after-hours