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Related Party Transactions (Details Textual) (USD $)
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Related Party Transaction [Line Items]        
Legal Fees $ 26,000 $ 29,000 $ 51,000 $ 62,000
Payments to Supplier 564,000 602,000 1,018,000 1,560,000
Accounts Payable 240,000 155,000 240,000 155,000
Lease Payment 36,000 36,000 72,000 72,000
John H Schwan [Member]
       
Related Party Transaction [Line Items]        
Interest Expenses $ 20,000 $ 19,000 $ 40,000 $ 38,000