Scammed $45 by user whose id I cannot recall

Be careful about these guys. They owe me $45 and they haven't replied to my Skype calls, emails and messages for over a month. I messaged them on their website, LinkedIn and everywhere.
Skype id: partners-revenue
He is the one who made a thread in HAF section an year ago. Now I can't recall his ID too. He even unfriended me on Skype now.
Skype id: **********
This is his assistant. Made tons of call to her. No reply yet. She cancelled an article when 2k words were done, since she gave me a…

Scammed $45 by user whose id I cannot recall