Cash and Restricted Cash - Cash and Restricted Cash (Details) - USD ($)	Dec. 31, 2018	Dec. 31, 2017
Notes to Financial Statements
Cash	$ 2,082,131	$ 774,226
Cash equivalents	2,835,631	8,592,718
Restricted cash	0	0
Cash, cash equivalents, and restricted cash	$ 4,917,762	$ 9,366,944

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- References

No definition available.

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- Definition

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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-Publisher FASB
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- Definition

Amount of 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. Excludes cash and cash equivalents within disposal group and discontinued operation.

+ References

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- Definition

Amount of cash and cash equivalents restricted as to withdrawal or usage. 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.

+ References

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