Small you say ... might want to think outside the box ...
This mini-itx case would accept that board but you may need to relocate the power switch ...
Killer deal on this right now ...
Lian Li PC-Q11A Aluminum Mini Computer Case Mini ITX 1X5.25 2X3.5 INT 2X2.5 INT USB 3.0 - Silver - LIAN-LI - PC-Q11A
There are also black and red models as well.
Here is a board 9.6" x 8.8" in this case ...