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Gain on Sale of Dry Strip Assets and Intellectual Property (Details) (USD $)
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3 Months Ended | |
|---|---|---|
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Mar. 31, 2013
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Dec. 31, 2012
|
|
| Sale of assets | ||
| Gain on sale of dry strip assets and intellectual property | $ 368,000 | |
|
Dry strip product line, intellectual property rights and certain assets
|
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| Sale of assets | ||
| Contingent purchase price | 2,000,000 | |
| Gain on sale of dry strip assets and intellectual property | $ 400,000 |