Adobe Flex 3 alpha for Linux expired

Hello,

My company has purchased volume licenses for Adobe Flex 3, but Adobe Flex 3 alpha for Linux expired on December 31st 2010 and the serial number that we have does not unlock it. We need a full version to continue development because all our workstations have Linux OS.

Is there a workaround for this?

How can we get a media that will not expire?

Thanks in advance

Marcelo