Investments	3 Months Ended
Mar. 31, 2014
Investments
Investments	3. Investments The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. Short-term investments include investments with maturities greater than three months, but not exceeding 12 months, or highly liquid investments with maturities greater than 12 months that the Company intends to liquidate during the next 12 months for working capital needs. The Company determines the appropriate classification of its investments in equity securities at the time of purchase and re-evaluates those classifications at each balance sheet date. Available for sale investments are marked to market at each reporting period with changes in fair value recorded as a component of other comprehensive income (loss). If declines in fair value are deemed other than temporary, a charge is made to net income (loss) for the period. During the first quarter of 2013 the Company sold all of its available for sale common stock comprised of 3.0 million shares of a junior mining company received during the third quarter 2012 related to the 2011 sale of the Company’s Paca Pulacayo property in Bolivia. The shares were sold for net proceeds of approximately $0.2 million resulting in a nominal loss recorded to interest and other expense. The Company did not hold any investments at March 31, 2014 or December 31, 2013.

Investments

3 Months Ended

Mar. 31, 2014

3. Investments

The Company considers all highly liquid investments with a maturity of three months or less when purchased to be cash equivalents. Short-term investments include investments with maturities greater than three months, but not exceeding 12 months, or highly liquid investments with maturities greater than 12 months that the Company intends to liquidate during the next 12 months for working capital needs.

The Company determines the appropriate classification of its investments in equity securities at the time of purchase and re-evaluates those classifications at each balance sheet date. Available for sale investments are marked to market at each reporting period with changes in fair value recorded as a component of other comprehensive income (loss). If declines in fair value are deemed other than temporary, a charge is made to net income (loss) for the period.

During the first quarter of 2013 the Company sold all of its available for sale common stock comprised of 3.0 million shares of a junior mining company received during the third quarter 2012 related to the 2011 sale of the Company’s Paca Pulacayo property in Bolivia. The shares were sold for net proceeds of approximately $0.2 million resulting in a nominal loss recorded to interest and other expense.

The Company did not hold any investments at March 31, 2014 or December 31, 2013.