Using tiny graphics to show a year's worth of medication history

Here are two views of the medication list.


The top view has more details, needed when the clinician is doing refills or dosage adjustments.

The bottom view is more terse, suitable for a dashboard view. The dashboard view would commonly include the problem list, allergies, vital signs, lab, and health maintenance information.

If I have a list of medications to look at, how can I quickly see the temporal dose trend without drilling into the EMR? How can we keep the history information on one visual surface?

Here's an idea below.
I have not seen it implemented in any EMR yet. Have you?