Getoption 1. Get out two phones, take a picture of one of the sides with one phone, take a picture of the other side with the other phone. Then, show the images on both phones and use your camera to take a picture of both phones.
option 2. Cut the card into tiny strips and flip every other strip.
option 3. go into a dark (ish) room, set the shutter speed to 30 seconds and attach camera to a tripod. Put the ID card on the left side, click the button, wait 15 seconds, then quickly flip it over and move to the right side and wait another 15 seconds. You now have both sides in one exposure