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Schedule II VALUATION AND QUALIFYING ACCOUNTS (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Allowance for doubtful accounts
   
Change in valuation and qualifying accounts    
Balance at Beginning of Period $ 503,000 $ 86,000
Charges to Earnings 248,000 406,000
Charges to Other Accounts 0 0
Deductions (343,000) 11,000
Balance at End of Period 408,000 503,000
Deferred tax valuation allowance
   
Change in valuation and qualifying accounts    
Balance at Beginning of Period 54,961,000 68,138,000
Charges to Earnings (5,287,000) (13,176,000)
Charges to Other Accounts 0 0
Deductions 0 0
Balance at End of Period $ 49,674,000 $ 54,961,000