Organization and Summary of Significant Accounting Policies - Prepaid Expenses and Other Current Assets (Details) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Accounting Policies [Abstract]
Prepaid insurance	$ 198,554	$ 173,890
Prepaid expenses - various	88,607	101,221
Prepaid taxes	1,334	2,888
Prepaid expenses and other current assets	$ 288,495	$ 277,999

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Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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