Is this a standard laydown with the nut flush?

[xcrack999]

Villain is 46/2.5/1.7 after about 40 hands, so that probably doesn't mean much, but he hasn't done anything really stupid. Thanks for any and all comments.
Party Poker No-Limit Hold'em, $ BB (6 max, 6 handed) converter

CO ($99.80)
Button ($75.35)
Hero ($99)
BB ($100)
UTG ($155.60)
MP ($357.17)

Preflop: Hero is SB with Q[img]/images/graemlins/diamond.gif[/img], A[img]/images/graemlins/heart.gif[/img]. Hero posts a blind of $0.50.
UTG calls $1, <font color="#666666">2 folds</font>, Button calls $1, <font color="#CC3333">Hero (poster) completes</font>, BB checks.

Flop: ($4) J[img]/images/graemlins/heart.gif[/img], 3[img]/images/graemlins/heart.gif[/img], 2[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(4 players)</font>
<font color="#CC3333">Hero checks</font>, BB checks, <font color="#CC3333">UTG bets $3.8</font>, Button calls $3.80, <font color="#CC3333">Hero calls $3.80</font>, BB folds.

Turn: ($15.40) 6[img]/images/graemlins/club.gif[/img] <font color="#0000FF">(3 players)</font>
<font color="#CC3333">Hero checks</font>, UTG checks, <font color="#CC3333">Button bets $8</font>, <font color="#CC3333">Hero calls $8</font>, UTG folds.

River: ($31.40) 6[img]/images/graemlins/heart.gif[/img] <font color="#0000FF">(2 players)</font>
<font color="#CC3333">Hero bets $15</font>, Button calls $62.55 (All-In)