The Gross Margin of GeoPetro Resources Co (GEOR) is -195.25%.
Gross Margin represents the percentage of revenue that exceeds the cost of goods sold. It reflects a company's efficiency in producing and selling its products.
| Date | Value |
|---|---|
| 2013-12-31 | -195.25% |
| 2012-12-31 | -195.25% |
| 2011-12-31 | -133.52% |
| 2010-12-31 | -30.77% |
| 2009-12-31 | -18.52% |
| 2008-12-31 | 100.00% |