Yes, for retail sales only, you can find historical same-store sales comparisons in the management discussion section (item 2) of the 10-Q filing, under "net sales". It looks like they only just started publishing the retail same-store sales comps in Q4 of 2011. And here it is:
At 7% same-store sales growth I guess we are no risk of becoming another Lululemon any time soon. Given the steep drop off that looks like each location saturates within a year. I fear the final same-store number might be sub-5%, once new stores stop being such a high percentage of the installed base.
What this company needs is marketing. They are executing so well on every other front.