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Stockholders' Equity (Details Narrative) - USD ($)								1 Months Ended	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 19, 2021	Jan. 22, 2021	Sep. 08, 2020	Jun. 22, 2020	Feb. 27, 2020	Dec. 04, 2018	Sep. 30, 2018	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Mar. 12, 2020
Shelf registration statement amount		$ 100,000,000						$ 75,000,000
Proceeds from issuance of common stock									$ 38,943,478	$ 5,794,747
Warrants exercise price	$ 0.01								$ 0.01
Capital on DemandTM Sales Agreement [Member]
Aggregate offering price							$ 16,000,000
Capital on Demand Agreement [Member]
Stock issued during period, shares, new issues									7,200,000		5,200,000
Proceeds from issuance of common stock									$ 6,900,000		$ 6,200,000
Securities Purchase Agreement [Member]
Stock issued during period, shares, new issues						4,571,428
Proceeds from issuance of common stock						$ 4,800,000
Shares issued, price per share						$ 1.05
Securities Purchase Agreement [Member] | Original Warrants [Member]
Number of warrants to purchase common stock						2,971,428
Warrants term						5 years
Warrants exercise price						$ 1.15
Exchange Agreements [Member]
Number of warrants to purchase common stock	1,200,000								1,200,000
Proceeds from issuance of warrants									$ 1,500,000
Exchange Agreements [Member] | Warrant [Member]
Number of warrants to purchase common stock												3,200,000
Warrants term												5 years
Warrants exercise price												$ 1.24
Underwriting Agreement [Member] | Underwritten Offering [Member]
Stock issued during period, shares, new issues					2,666,667
Proceeds from issuance of common stock					$ 9,100,000
Shares issued, price per share					$ 3.75
Shares purchased, price per share					3.4875
Underwriting discount price per share					$ 0.2625
Percentage of underwriting discount on public offering price					0.70%
Underwriting Agreement [Member] | January 2021 Registered Direct Offering [Member]
Stock issued during period, shares, new issues			25,925,925
Proceeds from issuance of common stock			$ 35,000,000
Shares purchased, price per share			$ 1.35
Placement agent fee description			In connection with the January 2021 Offering, the Company entered into a placement agent agreement (the "January 2021 Placement Agent Agreement") with A.G.P./Alliance Global Partners (together with Brookline Capital Markets, the "January 2021 Placement Agents") pursuant to which the Company agreed to pay the January 2021 Placement Agents a cash fee equal to 7% of the aggregate gross proceeds raised from the sale of the securities sold in the January 2021 Offering and reimburse the January 2021 Placement Agents for certain of their expenses in an amount not to exceed $82,500.
Underwriting Agreement [Member] | March 2021 Registered Direct Offering [Member]
Stock issued during period, shares, new issues	11,538,462
Proceeds from issuance of common stock	$ 15,000,000
Shares purchased, price per share	$ 1.30								$ 1.30
Placement agent fee description	In connection with the March 2021 Offering, the Company entered into a placement agent agreement (the "March 2021 Placement Agent Agreement") with A.G.P./Alliance Global Partners, as lead placement agent ("AGP," and together with JonesTrading Institutional Services LLC and Brookline Capital Markets, a division of Arcadia Securities, LLC, serving as co-placement agents, the "March 2021 Placement Agents") pursuant to which the Company agreed to pay the March 2021 Placement Agents an aggregate cash fee equal to 7% of the aggregate gross proceeds raised from the sale of the securities sold in the Offering and reimburse the Placement Agents for certain of their expenses in an amount not to exceed $82,500.
LPC Purchase Agreement [Member] | Lincoln Park Capital Fund, LLC [Member]
Stock issued during period, shares, new issues				26,000,000							3,300,000
Proceeds from issuance of common stock											$ 2,200,000
LPC Purchase Agreement [Member] | LPC Commitment Shares [Member] | Lincoln Park Capital Fund, LLC [Member]
Stock issued during period, shares, new issues				437,828

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