Manga publisher Studio Ironcat is calling it a day, according to an announcement posted on the company's Website, and noted by Anime News Network.  The company had a seven year history in the U.S., but had been in considerable difficulty for two years (see 'The Mess at Studio Ironcat').  Ironcat lost its best-selling title, the Ameri-manga Megatokyo, to Dark Horse in 2003 (see 'Megatokyo to Dark Horse').