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Other Fixed Assets, Net (Details) (USD $)
Mar. 31, 2015
Mar. 31, 2014
Other Fixed Assets, Net    
Other fixed assets $ 464,889us-gaap_PropertyPlantAndEquipmentOther $ 60,904us-gaap_PropertyPlantAndEquipmentOther
Accumulated depreciation for other fixed assets $ 46,402lpg_AccumulatedDepreciationDepletionAndAmortizationOtherFixedAssets $ 0lpg_AccumulatedDepreciationDepletionAndAmortizationOtherFixedAssets