Related Party Transactions (Details)	Jul. 31, 2014	Dec. 31, 2018
5 Elements Global Advisors
Related Party Transaction [Line Items]
Ownership in reporting entity by related party		2.50%
5 Elements Efficiencies (BVI) Ltd.
Related Party Transaction [Line Items]
Ownership in reporting entity by related party		2.40%
5 Elements Efficiencies (BVI) Ltd. | Yeh-Mei Cheng
Related Party Transaction [Line Items]
Ownership interest	50.00%
Communal
Related Party Transaction [Line Items]
Ownership in reporting entity by related party	5.00%
Communal | 5 Elements Efficiencies (BVI) Ltd.
Related Party Transaction [Line Items]
Ownership interest	50.00%