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Other Expense (Schedule of Other Expense) (Details) - USD ($)
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Other Expense [Abstract]        
Accrued interest and penalties [1] $ 1,186,000   $ 1,186,000  
Acquisition transaction and other expenses 129,000 $ 169,000 497,000 $ 171,000
(Gain) on cancellation of Titan notes payable (45,000)   (150,000)  
Other expense 1,270,000 $ 169,000 1,533,000 $ 171,000
Income tax examination, interest accrued 80,000   80,000  
Income tax examination, penalties accrued $ 1,100,000   $ 1,100,000  
[1] As of September 30, 2015, consists of approximately $80,000 in estimated accrued interest and $1.1 million in estimated penalties.