Property, Plant and Equipment (Details Narrative) $ / shares in Units, $ in Thousands | 12 Months Ended |
Dec. 31, 2015USD ($)aTrenchmi$ / shares | Dec. 31, 2014USD ($) |
Property, Plant and Equipment [Line Items] | | |
Asset impairement charges | $ | $ 960 | $ 160 |
General Directorate [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalty, ranging | 1.00% | |
Temrezli [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Granted licenses cover area | 13,490 | |
Temrezli [Member] | Minimum [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalty, ranging | 2.00% | |
Temrezli [Member] | Maximum [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalty, ranging | 16.00% | |
Kingsville Dome [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Net area on mineral leases | 2,227 | |
Asset impairement charges | $ | $ 200 | 200 |
Carrying value impairement | $ | $ 2,200 | |
Kingsville Dome [Member] | Minimum [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalties on lease of sales | 6.25% | |
Annual per acre royalty payable | $ / shares | $ 10 | |
Kingsville Dome [Member] | Maximum [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalties on lease of sales | 9.375% | |
Annual per acre royalty payable | $ / shares | $ 30 | |
Rosita Project [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Gross area on mineral leases | 3,377 | |
Net area on mineral leases | 3,377 | |
Rosita South Property [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Gross area on mineral leases | 1,795 | |
Net area on mineral leases | 1,479 | |
Rosita [Member] | Minimum [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalties on lease of sales | 6.25% | |
Annual per acre royalty payable | $ / shares | $ 10 | |
Rosita [Member] | Maximum [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalties on lease of sales | 18.25% | |
Annual per acre royalty payable | $ / shares | $ 30 | |
Mineral sales price per pound | $ / shares | $ 80 | |
Vasquez Project [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Gross area on mineral leases | 872 | |
Net area on mineral leases | 872 | |
Vasquez Project [Member] | Minimum [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalties on lease of sales | 6.25% | |
Mineral sales price per pound | $ / shares | $ 25 | |
Vasquez Project [Member] | Maximum [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalties on lease of sales | 10.25% | |
Mineral sales price per pound | $ / shares | $ 40 | |
Butler Ranch Exploration Project [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Gross area on mineral leases | 2,653 | |
Net area on mineral leases | 2,592 | |
Butler Ranch Exploration Project [Member] | Minimum [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Annual per acre royalty payable | $ / shares | $ 10 | |
Lease term | 8 years | |
Butler Ranch Exploration Project [Member] | Maximum [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Annual per acre royalty payable | $ / shares | $ 25 | |
Lease term | 10 years | |
Churchrock [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Gross area on mineral leases | 3,458 | |
Net area on mineral leases | 3,458 | |
Churchrock [Member] | Section 17 and Mancos [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalties on lease of sales | 33.00% | |
Percentage of overriding royalty obligation | 2.00% | |
payment of sliding scale range | 25.00% | |
Churchrock [Member] | Minimum [Member] | Section 17 and Mancos [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalties on lease of sales | 5.00% | |
Churchrock [Member] | Maximum [Member] | Section 17 and Mancos [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalties on lease of sales | 6.25% | |
Crownpoint [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Gross area on mineral leases | 640 | |
Net area on mineral leases | 556 | |
Annual maintenance fee per claim | $ / shares | $ 155 | |
Crownpoint [Member] | Gallup [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Distance of property from a specified location | mi | 35 | |
Crownpoint [Member] | Churchrock Deposits [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Distance of property from a specified location | mi | 22 | |
Crownpoint [Member] | Section 9 Northwest [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of section the Company holds mineral rights | 0.25% | |
Number of unpatented lode mining claims | Trench | 9 | |
Crownpoint [Member] | Section 24 Southwest [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of section the Company holds mineral rights | 0.25% | |
Number of unpatented lode mining claims | Trench | 10 | |
Crownpoint [Member] | Section 25 North East [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of section the Company holds mineral rights | 0.25% | |
Number of unpatented lode mining claims | Trench | 8 | |
Crownpoint [Member] | Section 24 Southeast [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of section the Company holds mineral rights | 0.25% | |
Number of unpatented lode mining claims | Trench | 2 | |
Percentage of interest earned in project | 40.00% | |
Area of land in mineral fee interest acquired | 140 | |
Percentage of mineral fee interest Company owns on additional acres | 100.00% | |
Additional area of land in fee interest acquired | 20 | |
Cebolleta Property [Member] | Neutron Energy Inc [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Lease term | 10 years | |
Area covered under lease | 6,717 | |
Initial payments per lease agreement | $ | $ 5,000 | |
Amount used in the calculation of recoverable reserve payment per unit | 1 | |
Annual advance royalties previously paid | $ | $ 500 | |
Royality payable | $ | $ 1,500 | |
Cebolleta Property [Member] | Minimum [Member] | Neutron Energy Inc [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalties on lease of sales | 4.50% | |
Cebolleta Property [Member] | Maximum [Member] | Neutron Energy Inc [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalties on lease of sales | 8.00% | |
Feasibility study term | 6 years | |
Annual advance royalties previously paid | $ | $ 5,000 | |
Amount of deduction to recoverable reserve payment | $ | $ 6,500 | |
Juan Tafoya Property [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Lease term | 10 years | |
Area of land in mineral fee interest acquired | 4,097 | |
Initial payments per lease agreement | $ | $ 1,250 | |
Annual base rent per acre | $ / shares | $ 75 | |
Reduction of market value per pound | $ / shares | $ 25 | |
Juan Tafoya Property [Member] | First Five Year [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Annual rental payments | $ | $ 200 | |
Juan Tafoya Property [Member] | Second Five Year [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Annual rental payments | $ | $ 300 | |
Juan Tafoya Property [Member] | Albuquerque [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Distance of property from a specified location | mi | 45 | |
Juan Tafoya Property [Member] | Laguna [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Distance of property from a specified location | mi | 25 | |
Juan Tafoya Property [Member] | Minimum [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalties on lease of sales | 4.65% | |
Juan Tafoya Property [Member] | Maximum [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Percentage of royalties on lease of sales | 6.50% | |
Alta Mesa Este Exploration Project [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Asset impairement charges | $ | $ 800 | |
Mineral Property [Member] | | |
Property, Plant and Equipment [Line Items] | | |
Mineral property expenses | $ | $ 4,500 | $ 3,500 |