Step 1 - Go to channel
Click on the box icon in the top navigation and select the right channel.
Step 2 - Go to ideas
Make sure you have selected ideas in the left navigation as shown below.
Step 3 - Select ideas and move them to the next stage
Select the ideas you want to move to another stage.
Click on the stage-icon (see screenshot) and select the stage you want to move the ideas to.
Tip: Use the "filter" and "tags" to easily find the ideas you want to move on