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Related Party Transactions
6 Months Ended
Jun. 30, 2011
Related Party Transactions [Abstract]  
Related Party Transactions
L.  
Related Party Transactions
 
At June 30, 2011, the Company had $10,985,000 of cash and cash equivalents compared with $4,147,000 at December 31, 2010.  Of this amount, $7,512,000 at June 30, 2011, compared with $949,000 at December 31, 2010, is invested in United States Treasury money market funds for which an entity controlled by a 10% stockholder of the Company, and for which a director serves as Executive Vice President and Chief Financial Officer, serves as the investment manager. The fund transactions in 2011 and 2010 are directed at the discretion of Company management and carried out by the related party.