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Schedule of Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Mar. 31, 2016
Dec. 31, 2015
Property, Plant and Equipment, Gross $ 42,408 $ 42,317
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment (14,493) (13,248)
Property, Plant and Equipment, Net 27,915 29,069
Nichols Ranch [Member]    
Property, Plant and Equipment, Gross 29,210 29,210
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment (3,472) (2,370)
Property, Plant and Equipment, Net 25,738 26,840
Equipment and other [Member]    
Property, Plant and Equipment, Gross 13,198 13,107
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment (11,021) (10,878)
Property, Plant and Equipment, Net $ 2,177 $ 2,229