Why wouldn't BMRN buy them out considering their market cap was about 40-50 million before and according to Yahoo about half of it is cash?
Yahoo’s balance-sheet info is crude and often wrong—you get a much better picture by reading SEC filings. At 9/30/08, LJPC had about $16M of current assets net of current liabilities.
Why an option to partner rather than a buyout? I can think of two reasons: i) The minimum commitment is less; and ii) The companies probably couldn’t agree on a buyout price.
“The efficient-market hypothesis may be the foremost piece of B.S. ever promulgated in any area of human knowledge!”