RESTRICTED CASH AND SECURITY BOND RESERVES (Tables)

6 Months Ended

Jun. 30, 2016

Schedule of Current restricted cash and bond reserves [Table Text Block]

		June 30,		December 31,
Restricting Entities/Purpose		2016		2015
Idaho Department of Water Resources, Geothermal Well Bond	$	260,000	$	260,000
Bureau of Land Management, Geothermal Lease Bond- Gerlach		10,000		10,000
State of Nevada Division of Minerals, Statewide Drilling Bond		50,000		50,000
Bureau of Land Management, Geothermal Lease Bonds- USG Nevada		150,000		150,000
Oregon Department of Geology and Mineral Industries, Mineral Land and Reclamation Program		400,000		400,000
Prudential Capital Group, Cash Reserves		318,678		2,259
Prudential Capital Group, Debt Service Reserves (USG Nevada LLC)		1,598,111		1,595,555
Bureau of Land Management , Geothermal Rights Lease Bond		10,000		10,000
U.S. Department of Energy, Debt Service Reserve		2,055,258		2,118,193
State of California Division of Oil, Gas and Geothermal Resources, Well Cash Bond		100,000		100,000
Prudential Capital Group, Debt Service Reserves (Idaho USG Holdings LLC)		1,703,174		-
CAISO, Transmission Interconnection Escrow Deposits		1,000,320		-
	$	7,655,541	$	4,696,007

Schedule of Long-term restricted cash and bond reserves [Table Text Block]

		June 30,		December 31,
Restricting Entities/Purpose		2016		2015
Nevada Energy, PPA Security Bond	$	1,468,898	$	1,468,898
Prudential Capital Group, Maintenance Reserves (USG Nevada LLC)		1,035,627		708,300
Prudential Capital Group, Well Reserves (USG Nevada LLC)		632,895		314,590
Prudential Capital Group, Maintenance Reserves (Idaho USG Holdings LLC)		1,807,890		-
Prudential Capital Group, Capital Expenditure Reserves (Raft River Energy I LLC)		2,943,141		-
U.S. Department of Energy, Operations Reserves		270,000		270,000
U.S. Department of Energy, Debt Service Reserves		2,466,270		2,542,058
U.S. Department of Energy, Short Term Well Field Reserves		4,507,969		4,507,110
U.S. Department of Energy, Long-Term Well Field Reserves		5,070,001		4,966,543
U.S. Department of Energy, Capital Expenditure Reserves		2,471,689		2,718,290
	$	22,674,380	$	17,495,789