NL 100: weird spot pf w/AK

[Pokerdemic]

Button is 23/18/5. I haven't been at the table long.

Poker Stars, $0.50/$1 NL Hold'em Cash Game, 6 Players
LeggoPoker.com - Hand History Converter

CO: $155.25
BTN: $95.50
SB: $141.40
Hero (BB): $130.90
UTG: $206.85
MP: $114.15

Pre-Flop: K[img]/images/graemlins/diamond.gif[/img] A[img]/images/graemlins/heart.gif[/img] dealt to Hero (BB)
UTG folds, <font color="red">MP raises to $3</font>, CO folds, BTN calls $3, SB folds, <font color="red">Hero raises to $14</font>, MP calls $11, <font color="red">BTN raises to $40</font>, <font color="red">Hero