This problem is related to some of tasks paying only half cent and in order to get paid for those tasks you need to complete them at least twice -- only one transaction will show on your ClixSense tasks history.
They show $0.01 on their tasks listing because they are not able to show 3 decimals ($0.005). This is something we have requested them to fix but it doesn't appear it will be fixed anytime soon.
Also sometimes they pay for more than one task at once as you can see on your tasks history, sometimes you see "(and 1 other job)".
The numbers shown on your ClixSense account are not always matching your CrowdFlower dashboard for these 2 reasons.