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Summary of Significant Accounting Policies (Tables)

3 Months Ended

Mar. 31, 2018

Accounting Policies [Abstract]

Contract with Customer, Asset and Liability

Cash, Cash Equivalents and Restricted Cash

The following table reconciles cash, cash equivalents and restricted cash per the condensed consolidated statements of cash flows to the condensed consolidated balance sheet for each respective period:

		As of
		March 31, 2018				December 31, 2017
Cash and cash equivalents		$	13,934,807			$	19,857,833
Restricted cash-short term		10,850,136				10,701,305
Restricted cash-long term		3,754,940				6,542,448
Cash, cash equivalents and restricted cash		$	28,539,883			$	37,101,586
		March 31, 2017				December 31, 2016
Cash and cash equivalents		$	30,103,574			$	28,701,824
Restricted cash-short term		10,138,890				10,138,890
Restricted cash-long term		14,805,554				17,333,332
Cash, cash equivalents and restricted cash		$	55,048,018			$	56,174,046

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Tabular disclosure of contract balances and changes in contract balances.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=82913847&loc=SL49130551-203045

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Tabular disclosure of the components of cash, cash equivalents, and investments.

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