A dearth of open cannabis testing labs is delaying Ohio’s medical marijuana program beyond its previously expected November launch date.

None of the state’s five licensed labs is testing cannabis for potency and purity yet, which is required by law before sales at dispensaries can begin, The Cincinnati Enquirer reported.

medical marijuana in 2016 , with a target launch date of September 2018.

But regulatory delays pushed back that timeline, costing potential marijuana businesses significant financial strain as real estate costs mount and revenue streams are halted.

The Ohio MMJ market is estimated to eventually be worth $400 million annually once the program matures, according to the Marijuana Business Factbook 2018.

Here’s a breakdown of the situation: