A defense subcontractor was sentenced to two years in prison for overcharging the government more than $540,000 for sensors used in Patriot missiles.

Michael Martin Zarachoff, 45, president and owner of Temcom Inc., was also sentenced Monday in U.S. District Court to five years' probation and ordered to pay back taxes plus interest and penalties on the money the government overpaid his company.The controller of the Burbank company, Nanci Plath, 42, was sentenced to five years' probation and fined $10,000.

"If you think this is just a white-collar crime in which you took a little money, you're so far wrong it's not even funny," Judge Ronald S.W. Lew told the defendants.

"I am truly sorry," Zarachoff said before his sentencing.