on brmbar:
select distinct barcode from barcodes b, transactions t, accounts a where t.responsible=a.id and time>'2015-01-01' and b.account=a.id order by barcode asc;

run this locally and paste output of previous command:

while read tmp; do echo "$tmp;$tmp";done|grep -v overflow|python2 ./barcode-generator.py

print resulting SVG files