Get specific domain groups and their members; output to a tab delimited format

i have a user wants list of users belong specific set of groups.  want results in particular layout, giving me problem.  want following in tab delimited format:

username        groupname        groupdescription
username1      groupname1       groupdescription1
username2      groupname1       groupdescription1
username3      groupname2       groupdescription2

any ideas on how achieve this?  of groups located in specific ou have same prefix.

i've attempted using quest's activeroles management shell active directory no luck.  appreciated.

get-qadgroup | % {$a = $_;$a} | get-qadgroupmember -type user | ` select @{n="username";e={$_.name}},@{n="groupname";e={$a.name}},@{n="groupdescription";e={$a.description}} ` | convertto-csv -delimiter "`t" -notypeinformation

Windows Server  >  Windows PowerShell