| | | | December 31, 2013 | | | December 31, 2012 | | ||||||||
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| | | | | Shares | | Weighted Average Exercise Price | | | Shares | | Weighted Average Exercise Price | | |||
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| Warrants outstanding - beginning of year | | | | 18,190,906 | | $ | 0.225 | | | | 7,631,544 | | $ | 0.404 | |
| Warrants exercised | | | | - | | | - | | | | - | | | - | |
| Warrants granted | | | | 1,140,000 | | | 0.185 | | | | 10,587,500 | | | 0.129 | |
| Warrants expired | | | | (7,500) | | | 60.000 | | | | (28,138) | | | 12,446 | |
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| Warrants outstanding - end of year | | | | 19,323,406 | | $ | 0.200 | | | | 18,190,906 | | $ | 0.225 | |
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| Warrants price range at end of year | | | $0.10 - $16.00 | | | | $0.10 - $60.00 | | |||||||
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| Warrants price for exercised shares | | | | $0.00 | | | | $0.00 | |||||||