Portal System for a Controlled Space

A portal system for use in connection with a controlled space comprising:

• inventory;
• and
• a portal device comprising:
• a computing device having a user database that includes information associated with inventory, the inventory including at least one item, the computing device being configured to:
• assign an item value to each item in the inventory,
• calculate the item value based on a purchase price of the item,
• determine whether the item has been taken out of the controlled space, and
• compare the item value of the item that the user has taken out of the controlled space with a threshold value.

A method of monitoring a controlled space, the method comprising the steps of:

• assigning an item value to an item in inventory, the item value being calculated based on a purchase price of the inventory;
• determining whether the item has been taken out of the controlled space;
• determining whether the item value of the item that has been taken out of the controlled space has exceeded a threshold value of inventory based on the total value of inventory;
• and
• responsive to determining that the item value has exceeded the threshold value, storing the determination that the item value exceeded the threshold value in memory of a computing device.