wikipedia's not the best source but from my limited experience this is in the right magnitude, with the key thing being $55k per violation. That can add up quickly depending on how its interpreted.
Criminal penalties for violating the embargo range up to ten years in prison, $1 million in corporate fines, and $250,000 in individual fines; civil penalties up to $55,000 per violation.
http://en.wikipedia.org/wiki/United_States_embargo_against_C...
Criminal penalties for violating the embargo range up to ten years in prison, $1 million in corporate fines, and $250,000 in individual fines; civil penalties up to $55,000 per violation.