Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies (Details 4)

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Summary of Significant Accounting Policies (Details 4) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Accounting Policies [Abstract]    
Bad Debt Expense $ 6,000 $ 136,000
Net unrealized (losses) investment in securities $ (75,000)