(CNN) Republican Kim Davis, the Kentucky court clerk who became a conservative Christian heroine for refusing to sign same-sex marriage certificates three years ago, lost her re-election bid Tuesday, according to unofficial results posted by the state board of elections.

Democrat Elwood Caudill Jr. appeared to defeat Davis by more than 650 votes in the race for clerk in Rowan County, according to the unofficial results, with all precincts reporting.

"She congratulated me, told me we done a great job, and I thanked her, told each other we loved each other," Caudill told CNN affiliate WKYT, after he said Davis called him to concede.

"It is not a light issue for me. It is a heaven or hell decision," Davis said in a statement at the time, citing her religion.

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