past year was 500,000+ in revenues (mostly canada)
USA has 10x the population and way more industrial/commercial components (as illustrated by eric in email posted by me here on how much USA exports to Canada)......
i don't think will take couple years to penetrate USA and get to $5 million
(a couple to me means 2-3 - so you'd be looking at 2012/2013 under your scenario)