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Related Party Transactions (Details Textual) (USD $)
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Legal Fees $ 33,000 $ 16,000
Payments to Supplier 817,000 850,000
Accounts Payable 523,000 595,000
Cost of Services, Maintenance Costs 8,000 1,000
Total 36,000  
John H Schwan And Stephen M Merrick [Member]
   
Interest Expenses $ 19,000 $ 25,000