Well, I'd go a little further and say that if you divide the amount of money it took for the development of the 70 different versions we did across three different platforms, that's about $125,000 per version, which to my mind was very inexpensive.
We learned a lot as we went along. This was a new thing for us, to be fair. We started off with something quick and dirty, and then it got very sophisticated in terms of its ability to validate PCR testing pre-arrival—