Equity Income in Unconsolidated Investment	9 Months Ended
Equity Income in Unconsolidated Investment	Sep. 30, 2014
Equity Income in Unconsolidated Investment [Abstract]
Equity Income in Unconsolidated Investment	12) Equity Income in Unconsolidated Investment The Company owns 19.54% of Standard Steam Trust, LLC ("SST"), a Denver, Colorado based private geothermal resource acquisition and development company. At December 31, 2013, we recorded an impairment of $2.2 million on the investment in SST, which reduced the carrying amount of our investment in SST to zero. Subsequently, we no longer record our share of equity in earnings or losses. During the three and nine months ended September 30, 2013, we recorded an equity gain of $11,000 and an equity loss of $40,000, respectively, from our unconsolidated investment in SST.

The entire disclosure for equity method investments and joint ventures. Equity method investments are investments that give the investor the ability to exercise significant influence over the operating and financial policies of an investee. Joint ventures are entities owned and operated by a small group of businesses as a separate and specific business or project for the mutual benefit of the members of the group.

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