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Derivative Instruments | 12 Months Ended
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Dec. 31, 2013
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Derivative Instruments | 7. Derivative instruments: RMB warrants Pursuant to the Facility Agreement, the Company issued 1,624,748 warrants to RMBAH as partial consideration for financing services provided in connection with the Facility Agreement. Each RMB Warrant entitles the holder to purchase one share of Solitario common stock at an exercise price of $1.5387 for a term of 36 months, subject to standard anti-dilution adjustments. Solitario recorded a discount to the RMB Loan for the fair value of the RMB Warrants. Solitario is amortizing this discount on a straight-line basis to interest cost over the three-year term of the RMB Loan and as of December 31, 2013 the remaining unamortized warrant discount was $356,000. Solitario has recorded a liability for the fair value of the RMB Warrants based upon a Black-Scholes model and adjusts the fair value of the warrants at each balance sheet date, with changes in value recorded in other income (loss) in the statement of operations. The following tables summarize the RMB Warrants:
|  | Black Scholes model
| Warrant Liability (in thousands) | Life (months) | Stock price Per share | Volatility (%) | Risk- Free interest rate
Initial RMB warrant liability balance | $ 650 | 36 | $1.19 | 62 | 0.39
Loss (gain) on warrant liability | 488 |  |  |  |
Ending balance December 31, 2012 | $1,138 | 32 | 1.68 | 62 | 0.35
Loss (gain) on warrant liability | (998) |  |  |  |
Ending balance December 31, 2013 | $ 140 | 20 | 0.85 | 55 | 0.38
Covered call options From time to time Solitario has sold covered call options against its holdings of Kinross. The business purpose of selling covered calls is to provide additional income on a limited portion of shares of Kinross that Solitario may sell in the near term, which is generally defined as less than one year. Solitario has not designated its covered calls as hedging instruments as described in ASC 815, “Derivatives and Hedging,” and any changes in the fair value of its covered calls are recognized in the statement of operations in the period of the change. During 2013 and 2012, Solitario recorded the following liabilities and gain or loss on derivative instruments related to Kinross covered call options:
(in thousands) | KGC February 2013 $11 call | KGC February 2014 $7 call | KGC February 2014 $8 call
Shares of Kinross | 100 | 100 | 50
Balance December 31, 2011 | $ - | $ - | $ -
Sale of call | 51 | - | -
(Gain) on derivative instrument | (48) | - | -
Ending liability balance December 31,2012 | $ 3 | $ - | $ -
Sale of call | - | 55 | 35
(Gain) on derivative instrument | (3) | (53) | (34)
Ending liability balance December 31,2013 | $ - | $ 2 | $ 1
Other warrants During 2010, in connection with the acquisition of Mt. Hamilton and the formation of MH-LLC, Solitario acquired warrants to purchase shares of Ely stock for Cdn$0.25 per share, with warrants for 833,333 shares that expired on August 30, 2012 and warrants for 833,333 that expired on October 19, 2012. In May 2011 Solitario acquired warrants to purchase shares of International Lithium Corp., which were written off during 2012 and expired during 2013. Solitario has recorded gains and losses on these warrants in its gain (loss) on derivative instruments in the statement of operations as detailed below. The following table provides the location and amount of the fair values of Solitario's derivative instruments presented in the consolidated balance sheet as of December 31, 2013 and 2012:
| Derivatives
(in thousands) | Balance Sheet Location | December 31, 2013 | December 31, 2012
Derivatives not designated as hedging instruments under ASC 815 |  |  |
RMB warrants | Long-term liabilities | $140 | $ 1,138
Kinross calls | Other current liabilities | $ 3 | -
The following amounts are included in loss on derivative instruments in the consolidated statement of operations for the years ended December 31, 2013 and 2012:
| Year ended December 31,
(in thousands) | 2013 | 2012
Gain (loss) on derivatives not designated as hedging instruments under ASC 815 |  |
Kinross Calls | $ 90 | $ 48
Ely warrants | - | (74)
ILC warrants | - | (4)
Total gain (loss) | $ 90 | $ (30)

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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4K -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5708775-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624163-113959 Reference 3: 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.(n)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4J -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5708773-113959 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 25 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6886632&loc=d3e76258-113986 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41635-113959 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4H -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624258-113959 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5618551-113959 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6441202&loc=d3e80720-113993 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4E -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624181-113959 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80784-113994 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41620-113959 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4D -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624177-113959 Reference 15: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579245-113959 Reference 16: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5580258-113959 Reference 17: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5579240-113959 Reference 18: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41641-113959 Reference 19: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=7476318&loc=d3e41638-113959 Reference 20: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -URI http://asc.fasb.org/extlink&oid=7476318&loc=SL5624171-113959 + Details
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