Stockholders’ Equity (Details Narrative) - USD ($)							1 Months Ended		3 Months Ended			6 Months Ended	12 Months Ended
	Jul. 12, 2020	Jul. 07, 2020	Sep. 27, 2019	Jan. 28, 2019	Nov. 14, 2018	Oct. 17, 2018	Dec. 31, 2020	Aug. 31, 2020	Mar. 31, 2021	Jun. 30, 2020	Mar. 31, 2020	Jun. 30, 2021	Dec. 31, 2020	Mar. 16, 2018
Class of Stock [Line Items]
Subscription/exercise price														$ 0.3875
Common stock, shares authorized							350,000,000		350,000,000			350,000,000	350,000,000
Common stock shares with specific limitations and restrictions on usage												8,000,000
Common stock shares issued, value									$ 12,887,000	$ 15,016,000	$ 25,764,000
Warrant description												In addition, on March 25, 2020, the Representative’s Warrant was amended to permit exercise of such warrant to commence on March 30, 2020. These warrants were exercised on March 31, 2020, and an aggregate of 266,665 shares were issued upon exercise of this warrant for gross proceeds of approximately $264,000 and a $46,000 expense for the warrant modification.
Proceeds from warrants exercised												$ 264,000
Warrant modification.												$ 46,000
Common stock, shares outstanding							42,154,371		47,832,997			47,832,997	42,154,371
Equity Distribution Agreement [Member]
Class of Stock [Line Items]
Number of shares sold in transaction												5,665,731	20,444,807
Proceeds from sale of common stock, net of issuance costs												$ 13,301,526	$ 53,936,615
Underwriting fee amount												465,533	$ 1,888,727
Pre-funded Warrants [Member]
Class of Stock [Line Items]
Proceeds from warrants exercised												1,870,000
Warrant [Member]
Class of Stock [Line Items]
Proceeds from warrants exercised												$ 7,687,860
Alliance Global Partners, LLC [Member]
Class of Stock [Line Items]
Common stock shares issued, value			$ 7,148,310
Number of shares issued upon transaction			1,740,550
Alliance Global Partners, LLC [Member] | Warrants [Member]
Class of Stock [Line Items]
Number of warrant to purchase shares of common stock			8,888,860
Alliance Global Partners, LLC [Member] | Pre-funded Warrants [Member]
Class of Stock [Line Items]
Subscription/exercise price			$ 0.90
Proceeds from warrants			$ 7,200,000
Warrant description			Each Warrant sold with the shares of Common Stock represents the right to purchase one share of Common Stock at an exercise price of $0.99 per share. The Pre-Funded Warrants and Warrants were sold at a combined Offering price of $0.899, less underwriting discounts and commissions. The Pre-Funded Warrants were sold to purchasers whose purchase of shares of Common Stock in the Offering would otherwise result in the purchaser, together with its affiliates and certain related parties, beneficially owning more than 4.99% of the Company’s outstanding Common Stock immediately following the consummation of the Offering, in lieu of shares of Common Stock. Each Pre-Funded Warrant represents the right to purchase one share of Common Stock at an exercise price of $0.001 per share.
Maxim Group LLC [Member] | Equity Distribution Agreement [Member]
Class of Stock [Line Items]
Shares sales fee percentage							3.50%					3.50%	3.50%
Maximum [Member] | Alliance Global Partners, LLC [Member] | Representative Warrants [Member]
Class of Stock [Line Items]
Number of warrant to purchase shares of common stock			266,665
Directors, Officers and Employees [Member]
Class of Stock [Line Items]
Common stock shares issued, value	$ 500,000	$ 500,000
Rights [Member]
Class of Stock [Line Items]
Subscription/exercise price												$ 1,000
Common stock conversion price												$ 8.80
Proceeds from warrants												$ 4,700,000
Warrant [Member]
Class of Stock [Line Items]
Subscription/exercise price												$ 8.80
Warrants and Rights Outstanding, Term												5 years
Series A Junior Participating Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized												250,000
Series B Convertible Preferred Stock [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized							732					725	732
Preferred stock par or stated value							$ 1,000		$ 1,000			$ 1,000	$ 1,000
Series B Convertible Preferred Stock [Member] | Rights [Member]
Class of Stock [Line Items]
Preferred stock value												$ 1,000
Preferred Stock [Member]
Class of Stock [Line Items]
Number of shares to be issued on conversion												114
Common Stock [Member]
Class of Stock [Line Items]
Common stock shares issued, value		$ 25,000										$ 50,000	$ 50,000
Number of shares issued upon transaction		10,730										21,700	27,501
Shares issued price per share		$ 2.33
Common Stock [Member] | Minimum [Member]
Class of Stock [Line Items]
Shares issued price per share							1.72					$ 2.26	$ 1.72
Common Stock [Member] | Maximum [Member]
Class of Stock [Line Items]
Shares issued price per share							$ 2.03					$ 2.35	$ 2.03
Board of Directors [Member]
Class of Stock [Line Items]
Preferred stock, shares authorized												5,000,000
Preferred stock par or stated value												$ 0.01
Number of common stock reserved for potential issuance						7,000,000
Number of options granted						26,324
Option exercise price per share						$ 9.68
Option vested years						10 years
Employees [Member]
Class of Stock [Line Items]
Number of options granted					23
Option exercise price per share					$ 9.68
Option vested years					10 years
Officers [Member]
Class of Stock [Line Items]
Number of options granted				27,570				400,000
Option exercise price per share				$ 9.68
Option vested years				1 year				1 year
Settlement of accounts payable				10 years				10 years
Officers [Member] | Minimum [Member]
Class of Stock [Line Items]
Option exercise price per share								$ 2.77
Officers [Member] | Maximum [Member]
Class of Stock [Line Items]
Option exercise price per share								$ 3.07
Employees [Member]
Class of Stock [Line Items]
Number of options granted							675,000
Option vested years							1 year
Settlement of accounts payable							10 years
Employees [Member] | Minimum [Member]
Class of Stock [Line Items]
Option exercise price per share							$ 1.85
Employees [Member] | Maximum [Member]
Class of Stock [Line Items]
Option exercise price per share							$ 1.96