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Long-Term Debt - Augusta Debt Payment Schedule (Details) (USD $) | Jun. 30, 2013 | Dec. 31, 2012
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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

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