Consolidated Statements of Cash Flows (Reconciliation of cash, cash equivalents, and restricted cash ) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Reconciliation of cash, cash equivalents, and restricted cash to the consolidated balance sheets
Cash and cash equivalents	$ 73,588,229	$ 4,221,940
Restricted cash, current	19,307,003	376,236
Restricted cash, non-current	18,067,374
Total cash, cash equivalents, and restricted cash	$ 110,962,606	$ 4,598,176

Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as noncurrent. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Balance Type:	debit
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