Bedford-based Anika Therapeutics Inc. — it calls itself a leader in products for tissue protection, healing, and repair based on hyaluronic acid (HA) technology — said it generated record revenue in 2012. Revenue rose 23 percent to $22.6 million in the fourth quarter of 2012; for the full year, it grew 10 percent to $71.4 million. Quarterly net income rose to $4.5 million from $2.9 million a year earlier. For 2012, net income grew to $11.8 million from $8.5 million in 2011.