I couldn’t find an exact number, but the goal seems to be to make it cheap

Santos says targeting the hospitality industry at large, including bars, pubs, clubs and other party venues where drinks flow freely, means patrons can have access to a simple drug testing tool for “every cocktail on every table.”

“The idea is that it’ll be completely ubiquitous,” she said. “Every drink leaving the bar will have a stick in it. Every drink will be stirred, every drink will be tested, every drink will be safe.”

https://www.cbc.ca/news/canada/british-columbia/ubc-stir-stick-spiked-drinks-1.7495753

While I still can’t say this is novel, this other article mentions that the goal is to make it cheap enough that venues can have enough for every drink that they serve and to put the responsibility on venues rather than the user

“In the anti-violence sector, you know, there’s a lot of very strong feelings about people who are being targeted with violence being told that the burden of safety is on them, and that they have to buy more and do more to protect themselves constantly,” she said.

“The idea is that it’ll be completely ubiquitous,” she said. “Every drink leaving the bar will have a stick in it. Every drink will be stirred, every drink will be tested, every drink will be safe.”

https://www.cbc.ca/news/canada/british-columbia/ubc-stir-stick-spiked-drinks-1.7495753