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Related-Party Transactions | 12 Months Ended
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Dec. 31, 2011
Notes to Financial Statements |
Related-Party Transactions | 11. Related-Party Transactions Amounts due to related parties at December 31, 2011 and 2010 were as follows:
| 2011 |  | 2010 |
Payable to officer for antimony ore | 54,131 |  | - |
John C. Lawrence, president and director(1) | 47,843 |  | 18,060 |
| $101,974 |  | $ 18,060 |
(1) Transactions affecting the payable to Mr. Lawrence during 2011, 2010 and 2009 were as follows:
| 2011 |  | 2010 |  | 2009
Balance, beginning of year | $18,060 |  | $ 8,394 |  | $324,158
Aircraft rental charges | 86,058 |  | 129,177 |  | 102,049
Conversion of payables and exercise of warrants | - |  | - |  | (328,132)
Payments and advances, net | (52,675) |  | (119,511) |  | (89,681)
Balance, end of year | $47,843 |  | $ 18,060 |  | $ 8,394
In addition to transactions described above and in Note 9, during 2011, 2010, and 2009, the Company had the following transactions with related parties: During 2009 a convertible note payable to John C. Lawrence, the Company's president and a director, was converted into 500,000 shares of the Company’s common stock. In addition, during 2009 $200,000 of payable to related parties payable, including outstanding accrued interest payable, was used by Mr. Lawrence to exercise warrants initially issued in connection with the convertible note payable, for the purchase of 1,000,000 shares of common stock. During 2011, members of the audit committee were paid $24,000 in cash during 2011. During 2011, 2010, and 2009, the Company paid $107,359, $55,469 and $159,995, respectively to a director for development of Mexican mill sites and consulting fees. A director of the Company acted as legal counsel to the Company. During the years ended December 31, 2011, 2010 and 2009, the Company paid legal fees and expenses to this director in the amount of $37,083, $32,000 and $23,500, respectively. Royalty expense based on sales of zeolite of $45,515, $54,587 and $46,867 was incurred for the years ended December 31, 2011, 2010 and 2009, respectively, to a company controlled by Al Dugan, a significant stockholder and the father of a director.

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- Definition The entire disclosure for related party transactions. Examples of related party transactions include transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners; and (d) affiliates. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39691-107864 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39622-107864 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 57 -Paragraph 1-4 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39603-107864 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 850 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39678-107864 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)) -URI http://asc.fasb.org/extlink&oid=6881521&loc=d3e23780-122690 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph b -Article 3A Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Article 4 + Details
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