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Significant Accounting Policies - Recently Issued Accounting Standards (Details) - USD ($)	Jan. 01, 2019	Jun. 30, 2019
New accounting pronouncement, modified retrospective method
Operating Lease, Right-of-Use Asset	$ 3,600,000	$ 3,323,294
Operating Lease, Liability	$ 4,300,000	$ 3,904,324
ASU 2016-02
New accounting pronouncement, modified retrospective method
Accounting principle adopted	true
Transition option upon adoption	Modified Retrospective
Prior periods not restated	true
Operating Lease, Right-of-Use Asset	$ 3,600,000
Operating Lease, Liability	$ 4,300,000
ASU 2018-07
New accounting pronouncement, modified retrospective method
Accounting principle adopted	true

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