CompuDyne Corp., an Annapolis-based security and technology firm, reported a net loss of $16.4 million for the fourth quarter of 2006. This loss is a huge jump backward for the company that reported a meager loss of $456,000 for the fourth quarter of 2005. For the entire fiscal 2006, CompuDyne saw a net loss of $15 million.

Revenues went up for the year, generating $147.5 million, a slight increase over 2005?s mark of $141.6 million, a brief stated.