Stockholders' Equity (Details Narrative) - USD ($)													3 Months Ended	6 Months Ended		12 Months Ended
	Jun. 15, 2020	Mar. 10, 2020	Mar. 03, 2020	Sep. 27, 2019	Jul. 19, 2019	Jun. 30, 2019	Jun. 11, 2019	May 29, 2019	May 02, 2019	Jan. 28, 2019	Nov. 14, 2018	Oct. 17, 2018	Jun. 30, 2020	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019	Mar. 16, 2018
Subscription/exercise price																	$ 17.05
Warrants issued																	73,314
Proceeds from issuance of rights														$ 25,774,000
Common stock, shares authorized													350,000,000	350,000,000		350,000,000
Reverse stock split description								1-for-20 to 1-for-50						In June 2019, the Company effected a 44-to-1 reverse stock split of the outstanding shares
Common stock shares issued, value														$ 40,821,000	$ 6,523,000
Number of warrant to purchase shares of common stock													266,665	266,665
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.
Proceeds from warrants exercised														$ 264,000
Warrant modification														$ 46,000
Deemed dividend															$ 135,000
Number of options granted														0	39,267
Common stock, shares outstanding													34,250,615	34,250,615		10,386,754
Board of Directors [Member]
Number of options granted												26,324
Option exercise price per share												$ 9.68
Option vested years												10 years
Number of common stock reserved for potential issuance												7,000,000
Employee [Member]
Number of options granted											23
Option exercise price per share											$ 9.68
Option vested years											10 years
Officers [Member]
Number of options granted										27,570
Option exercise price per share										$ 9.68
Options holding period										10 years
Option vested years										1 year
Equity Distribution Agreement [Member]
Number of shares sold in transaction													5,964,197	12,580,926
Proceeds from sale of common stock, net of issuance costs													$ 15,560,537	$ 32,878,403
Number of shares sold in transaction, value		$ 18,833,739	$ 10,867,245
Underwriting fee amount													$ 544,619	$ 1,150,744
Percentage of fees paid													3.50%	3.50%
Pre-funded Warrants [Member]
Proceeds from warrants exercised														$ 8,873,860
Warrant [Member]
Subscription/exercise price									$ 6.60
Number of warrant exercisable									103,410
Proceeds from warrants exercised									$ 682,000					$ 1,870,000
Reduced liability attributed to the warrants									404,000
Additional shareholder's equity									1,086,000
Deemed dividend									$ 135,000
Alliance Global Partners, LLC [Member]
Number of shares issued upon transaction				1,740,550
Common stock shares issued, value				$ 7,148,310
Alliance Global Partners, LLC [Member] | Warrants [Member]
Number of warrant to purchase shares of common stock				8,888,860
Alliance Global Partners, LLC [Member] | Pre-funded Warrants [Member]
Subscription/exercise price				$ 0.90
Proceeds from issuance of rights				$ 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]
Number of shares sold in transaction																905,869
Number of shares sold in transaction, value	$ 19,406,552				$ 4,508,244											$ 2,553,079
Shares sales fee percentage																3.50%
Underwriting fee amount																$ 89,358
Maximum [Member]
Shares issued price per share						$ 4.37									$ 4.37
Maximum [Member] | Alliance Global Partners, LLC [Member] | Representative Warrants [Member]
Number of warrant to purchase shares of common stock				266,665
Minimum [Member]
Shares issued price per share						$ 4.03									$ 4.03
Directors, Officers and Employees [Member]
Number of shares issued upon transaction						67,767
Common stock shares issued, value						$ 274,000
Directors, Officers and Employees [Member] | Maximum [Member]
Payments approved for company shares, value							$ 500,000
Rights [Member]
Subscription/exercise price													$ 1,000	$ 1,000
Common stock conversion price													8.80	$ 8.80
Proceeds from issuance of rights														$ 4,700,000
Warrant [Member]
Subscription/exercise price													$ 8.80	$ 8.80
Warrants issued													114	114
Warrants exercisable term													5 years	5 years
Series A Junior Participating Preferred Stock [Member]
Preferred stock, shares authorized													250,000	250,000
Series B Convertible Preferred Stock [Member]
Preferred stock, shares authorized													8,000	8,000		8,000
Preferred stock par or stated value													$ 1,000	$ 1,000		$ 1,000
Preferred stock, shares outstanding													737	737		778
Number of shares to be issued on conversion													41	41
Series B Convertible Preferred Stock [Member] | Rights [Member]
Preferred stock value													$ 1,000	$ 1,000
Series B Preferred [Member]
Preferred stock, shares outstanding																778
Number of shares issued upon transaction
Common stock shares issued, value
Deemed dividend
Preferred Stock [Member]
Number of shares to be issued on conversion													114	114