You can use the DelimitedSplit8K function for your requirement

SELECTPMI.pmid, DS.Item

FROMPMInfo AS PMI

CROSS APPLY dbo.DelimitedSplit8K( PMI.member, '-') AS DS

The code for the function is present in the article by Jeff Moden below

http://www.sqlservercentral.com/articles/Tally+Table/72993/