Unless you have a contract, you were an at-will employee and therefore could be fired for any reason or no reason so long as it was not an unconstitutional reason such as based on race, gender, religion, etc.
I am a former federal and State prosecutor and now handle criminal defense and personal injury/civil rights cases. Feel free to check out my web site and contact me at (212) 577-9797 or via email at Eric@RothsteinLawNY.com. I was named to the Super Lawyers list as one of the top attorneys in New York for 2012. No more than 5 percent of the lawyers in the state are selected by Super Lawyers. The above answer is for informational purposes only and not meant as legal advice.
Unfortunately, it sounds like you may not have a viable claim. It is hard to tell from the facts we have here though, so I suggest contacting an experienced employment attorney.
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