Send an email to support @spacetimestudios.com and see what they say.

From the Terms of Service:

Quote Originally Posted by asommers
(h) Account and Virtual Item Ownership
You may not buy, sell, give or trade any account, nor attempt to buy, sell, give or trade any account. SPACETIME owns, has licensed, or otherwise has rights to all of the content that appears in game. You agree that you have no right or title in or to any such content, including without limitation the virtual goods or currency appearing or originating in the SOFTWARE PRODUCT, or any other attributes associated with an account. SPACETIME does not recognize any purported transfers of virtual property executed outside of the SOFTWARE PRODUCT, or the purported sale, gift or trade in the "real world" of anything that appears or originates therein. You may not sell in-game items or currency for "real" money, or exchange those items or currency for value outside of the game.