Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Schedule of Cash, Cash Equivalents and Restricted Cash (Details)

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Summary of Significant Accounting Policies - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
Dec. 31, 2018
Dec. 31, 2017
Accounting Policies [Abstract]    
Cash and cash equivalents $ 12,446,838 $ 7,306,507
Restricted cash included in current/long term assets 561,000 691,000
Cash, cash equivalents and restricted cash in the statement of cash flows $ 13,007,838 $ 7,997,937