MICHIGAN (CBS DETROIT) – It’s been nearly four months since recreational marijuana became legal in Michigan and pot shops say business is booming despite the pandemic.

Right now due to state rules, they only allow curbside or home delivery.

READ MORE: MRLA Offering Free Food Safety Classes for Kids

According to The Detroit News some dispensaries see a long line of cars to pick up their orders.

READ MORE: Whitmer: $32M Investment To Recruit, Retain Police Officers

The Michigan Department of Licensing and Regulatory Affairs says recreational sales jumped 20 percent the week of March 16.

As of last week, recreational marijuana made more than $30-million in sales since legalization.

MORE NEWS: Deputies Find Human Remains In Mid-Michigan Soybean Field

© 2020 CBS Broadcasting Inc. All Rights Reserved. This material may not be published, broadcast, rewritten, or redistributed.