Quarterly report pursuant to Section 13 or 15(d)

Related Party Transactions (Detail Textuals)

v3.19.1
Related Party Transactions (Detail Textuals) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Mar. 31, 2019
Dec. 31, 2018
Related Party Transaction [Line Items]      
Due to related parties   $ 1.1 $ 1.2
TOG Liquidation Trust      
Related Party Transaction [Line Items]      
Due to related parties   $ 1.2 $ 1.2
Cash Advances      
Related Party Transaction [Line Items]      
Proceeds from cash advances from TOG Liquidation Trust $ 1.2