| http://www.w3.org/ns/prov#value | - Interest payments are due monthly and the note is due June 2022.During the three and six months ended June 30, 2012, the Company recognized $506,000 and $744,000, respectively, of interest income, net of accretion, from these notes receivable, which is included in Other income on the Consolidated Statements of Operations.Marketable Securities During the six months ended June 30, 2011, the Compan
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