DS Laboratories Group, Inc.

We have an invoice that is currently past due since July 7th 2013. DS Labs has not returned our calls or emails. We have sent them 14 notices.
Invoice 867 due on July 7th, 2013
14 notices sent to DS Labs since July until december 2013
[redacted] (accounting) replied on Sept 6th 2013 informing that she was waiting for approval and signature.
Since DS labs a publicly traded company listed in the NASDAQ under the name of DS Healthcare Group, Inc (DSKX) has not responded send payment for invoice 867. Total past due amount $1,746.04.
Invoice 867 details - shipped date June 10th, 2013 -
Product sold - Bluevisc TMS (11 x 20kg = 220kg = 485.01lb)
Purchasing/ receiving manager - [redacted]
CEO - [redacted]
COO - [redacted]