If you want to learn with an online Chinese tutorial from China, you can also try this site: http://www.ichineselearning.com/

You can learn basic Chinese through 1 on 1 skype lessons.

iChineseLearning is a leading online mandarin school, where you can learn authentic Chinese with live teachers from China. Their students come from different countries such as U.S, Canada, Australia, etc. Wherever you are, the ICL is a good site to learn Chinese online. Besides, you will also find a collection of free online materials for learning mandarin Chinese.