Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Summary of Significant Accounting Policies - Schedule of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($)
Mar. 31, 2019
Dec. 31, 2018
Mar. 31, 2018
Dec. 31, 2017
Accounting Policies [Abstract]        
Cash and cash equivalents $ 39,412,546 $ 12,446,838 $ 4,263,000 $ 7,307,000
Restricted cash included in current/long term assets 586,000 561,000 692,000 692,000
Cash, cash equivalents and restricted cash in the statement of cash flows $ 39,999,000 $ 13,007,838 $ 4,955,000 $ 7,998,000