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Long-Term Debt - Augusta Debt Payment Schedule (Details) (USD $)
Jun. 30, 2013
Dec. 31, 2012
Debt Disclosure [Abstract]    
Payment Date June 1, 2013    $ 750,000
Payment Date June 1, 2014 750,000 750,000
Payment Date June 1, 2015 1,000,000 1,000,000
Unamortized discount (183,000) (264,000)
Total 1,567,000 2,236,000
Current portion 700,000 727,000
Long-term debt $ 867,000 $ 1,509,000