One of Nevada County’s leading video technology businesses is not closing its Nevada City doors after all, although it is losing about half of its workforce. Sierra Video’s manufacturing operations are being taken away from its headquarters on the 100 block of New Mohawk Road, and its functions will be “consolidating” with its parent company’s Israel headquarters, said Paul Bogan, who works for Kramer Electronics’ Northwest regional office. “Unfortunately that is a big chunk of our workforce,” said Richard Wehling, chief operating officer of Sierra Video, who will be without a job in a month. Kramer Electronics, parent company of …