This website, hosted by the U.S. Forest Service Remote Sensing Applications Center is offering six online Lidar technology training tutorials. They have also identified a number of online resources.
It appears to be open to the public at no charge. Here are the topics:
•Lidar Introduction Tutorial
•Lidar Fusion Tutorial
•Forest Inventory Modeling
•Advanced Lidar Processing
•Introduction to LIDAR modeling with R
•Lidar Hydro Tutorial