 PDL BioPharma NASDAQ:PDLI and Idera Pharmaceuticals NASDAQ:IDRA are both small-cap medical companies, but which is the better investment? We will contrast the two companies based on the strength of their profitability, valuation, institutional ownership, analyst recommendations, earnings, risk and dividends. Profitability This table compares PDL BioPharma and Idera Pharmaceuticals net margins, return on equity and ... 