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Commitments, Contingencies and Other Matters (Details 2) (USD $)
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2014
Jun. 30, 2014
Jun. 30, 2013
Dec. 31, 2013
Reconciliation of the restructuring liability        
Balance at the beginning of the period   $ 533,000 $ 1,875,000 $ 1,875,000
Expense Incurred 801,000 1,193,000 531,000 1,485,000
Cash Payments   (866,000)   (2,827,000)
Balance at the end of the period 860,000 860,000   533,000
Short-term portion 860,000 860,000   533,000
CTA account balance 3,500,000 3,500,000    
2012 Restructuring
        
Reconciliation of the restructuring liability        
Balance at the beginning of the period   195,000 1,875,000 1,875,000
Cash Payments   (195,000)   (1,680,000)
Balance at the end of the period       195,000
Short-term portion       195,000
2013 Restructuring
        
Reconciliation of the restructuring liability        
Balance at the beginning of the period   338,000    
Expense Incurred       1,485,000
Cash Payments   (182,000)   (1,147,000)
Balance at the end of the period 156,000 156,000   338,000
Short-term portion 156,000 156,000   338,000
2014 Restructuring
        
Reconciliation of the restructuring liability        
Expense Incurred   1,193,000    
Cash Payments   (489,000)    
Balance at the end of the period 704,000 704,000    
Short-term portion $ 704,000 $ 704,000