General form of registration statement for all companies including face-amount certificate companies

Investments and Fair Value of Financial Instruments - Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details)

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Investments and Fair Value of Financial Instruments - Schedule of Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation (Details) - Warrants [Member] - USD ($)
6 Months Ended 12 Months Ended
Jun. 30, 2019
Dec. 31, 2018
Dec. 31, 2017
Investments in and Advances to Affiliates [Line Items]      
Balance beginning $ 7,840 $ 26,401 $ 42,688
Unrealized loss (1,773) (18,561) (16,287)
Balance ending $ 6,067 $ 7,840 $ 26,401