The company that makes the once-ubiquitous, quirky Croc shoes is about to go belly up, experts fear. The Colorado firm lost $18.5 million last year, has a warehouse full of unwanted shoes and just weeks to pay off its debt. Blame it on the economy and fickle consumers. "The company's toast," said a manager of an investment fund. "They're zombie-ish. They're dead and they don't know it."