Represents the commission on aggregate gross proceeds.

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- Definition

Shareholders Equity [Line Items]

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No definition available.

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- Definition

Represents the maximum gross sales proceeds.

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- Definition

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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- Definition

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

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The cash inflow associated with the amount received from holders exercising their stock warrants.

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Per share or per unit amount of equity securities issued.

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Number of new stock issued during the period.

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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands						9 Months Ended		12 Months Ended
	Jul. 13, 2020	Nov. 21, 2019	Mar. 12, 2019	Jan. 18, 2019	Jan. 14, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019
Shareholders Equity [Line Items]
Stock Issued During Period, Value, New Issues							$ 19,411
Proceeds from Issuance of Common Stock			$ 17,000	$ 1,500	$ 900	$ 0	$ 19,411
Stock Issued During Period Shares Warrants Exercised								409,875
Class of Warrant or Right, Exercise Price of Warrants or Rights								$ 2.67
Proceeds from Warrant Exercises								$ 1,100
Warrant [Member]
Shareholders Equity [Line Items]
Proceeds from Issuance of Common Stock		$ 7,300
Warrants issued			42,775
Common Stock
Shareholders Equity [Line Items]
Shares issued (in shares)							1,794,000
Stock Issued During Period, Value, New Issues							$ 2
IPO [Member]
Shareholders Equity [Line Items]
Shares issued (in shares)					429,616
Proceeds from Issuance of Common Stock					$ 1,100
Shares Issued, Price Per Share					$ 2.60
2019 Registered Direct Offering [Member]
Shareholders Equity [Line Items]
Shares issued (in shares)		808,080	712,910	648,233
Stock Issued During Period, Value, New Issues		$ 8,000	$ 18,500	$ 1,700
Class of Warrant or Right, Number of Securities Called by Warrants or Rights				324,117
2019 Registered Direct Offering [Member] \| Warrant [Member]
Shareholders Equity [Line Items]
Warrants issued		606,060
Private Placement [Member]
Shareholders Equity [Line Items]
Warrants issued					25,777
At-The-Market Offering Agreement [Member]
Shareholders Equity [Line Items]
Maximum aggregate offering price	$ 7,000
Commission on aggregate gross proceeds (as a percent)	3.00%
HC Wainwright Co [Member]
Shareholders Equity [Line Items]
Shares Issued, Price Per Share					$ 2.418
HC Wainwright Co [Member] \| 2019 Registered Direct Offering [Member]
Shareholders Equity [Line Items]
Warrants issued		48,485
HC Wainwright Co [Member] \| Private Placement [Member] \| Common Stock
Shareholders Equity [Line Items]
Warrants issued				38,894