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Shares Issued through the At-the-Market Equity Offering Program (Details) - At-the-Market Equity Offering Program - USD ($)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Shares Issued through the At-the-Market Equity Offering Program
Number of shares sold (in shares)	0	37,000
Proceeds from sale of common stock, net of commissions		$ 1,084,000
Payment of commissions on sale of shares		11,000
Payment of offering costs on sale of shares		$ 45,000

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- Definition

The cash outflow for commissions incurred directly with the issuance of an equity security.

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The cash outflow for offering costs incurred directly with the issuance of an equity security.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The cash inflow from the additional capital contribution to the entity.

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Number of new stock issued during the period.

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