Converting accounts to iXBRL for revenue.

Hi, just wondering what other companies experience is of converting their accounts to iXBRL for revenue is.
Our accountants charge about €2k extra to do this for the accounts that they have prepared, which seems excessive.
Has anyone outsourced this to a specialist company?

There a few iXBRL outsourcing providers out there and I've attended a seminar given by one such firm. I spoke to a number of large plc companies who had outsourced it and found it cheaper than using their accountants.

Google iXBRL and you'll get a few suggestions.