XML 38 R50.htm IDEA: XBRL DOCUMENT v2.4.1.9
Property, Plant and Equipment - Schedule of Property, Plant and Equipment (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Property, plant and equipment    
Property, plant and equipment, gross 14,742us-gaap_PropertyPlantAndEquipmentGross $ 9,982us-gaap_PropertyPlantAndEquipmentGross
Less: accumulated depreciation and amortization 6,503us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment 6,039us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property, plant and equipment gross, excluding land 8,239aeti_PropertyPlantAndEquipmentNetExcludingLand 3,943aeti_PropertyPlantAndEquipmentNetExcludingLand
Land 134us-gaap_Land 134us-gaap_Land
Property, plant and equipment, net 8,373us-gaap_PropertyPlantAndEquipmentNet 4,077us-gaap_PropertyPlantAndEquipmentNet
Buildings and improvements    
Property, plant and equipment    
Property, plant and equipment, gross 8,117us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingAndBuildingImprovementsMember
2,638us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingAndBuildingImprovementsMember
Buildings and improvements | Minimum    
Property, plant and equipment    
Property, plant and equipment, Estimated Useful Lives (years) 15 years  
Buildings and improvements | Maximum    
Property, plant and equipment    
Property, plant and equipment, Estimated Useful Lives (years) 25 years  
Office equipment and furniture    
Property, plant and equipment    
Property, plant and equipment, gross 2,583us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= aeti_OfficeEquipmentAndFurnitureMember
1,969us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= aeti_OfficeEquipmentAndFurnitureMember
Office equipment and furniture | Minimum    
Property, plant and equipment    
Property, plant and equipment, Estimated Useful Lives (years) 2 years  
Office equipment and furniture | Maximum    
Property, plant and equipment    
Property, plant and equipment, Estimated Useful Lives (years) 7 years  
Automobiles and trucks    
Property, plant and equipment    
Property, plant and equipment, gross 265us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_VehiclesMember
197us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_VehiclesMember
Automobiles and trucks | Minimum    
Property, plant and equipment    
Property, plant and equipment, Estimated Useful Lives (years) 2 years  
Automobiles and trucks | Maximum    
Property, plant and equipment    
Property, plant and equipment, Estimated Useful Lives (years) 5 years  
Machinery and shop equipment    
Property, plant and equipment    
Property, plant and equipment, gross 3,349us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
2,714us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_MachineryAndEquipmentMember
Machinery and shop equipment | Minimum    
Property, plant and equipment    
Property, plant and equipment, Estimated Useful Lives (years) 2 years  
Machinery and shop equipment | Maximum    
Property, plant and equipment    
Property, plant and equipment, Estimated Useful Lives (years) 10 years  
Construction in Progress    
Property, plant and equipment    
Property, plant and equipment, gross 428us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember
$ 2,464us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ConstructionInProgressMember