An expandable interbody device for use in the spine is configured to fit through Kambin's Triangle. The expandable interbody device can include a body defining a front end, a rear end and a plurality of sidewalls spanning between the front and rear ends, an expandable member pivotally attached to the body such that the expandable member pivots outwardly from one of the plurality of sidewalls and a screw threaded into the body through the rear end thereof. The expandable member defines an actuator flange that projects into the body. The screw abuts the actuator flange such that contracting the screw into the body causes the expandable member to pivot outwardly from the body.
