Equity (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands								9 Months Ended
	Sep. 24, 2019	Sep. 19, 2019	Sep. 19, 2019	Apr. 12, 2019	Apr. 08, 2019	Apr. 04, 2019	Mar. 27, 2019	Sep. 30, 2019	Feb. 04, 2019	Dec. 31, 2018
Common stock, par value								$ 0.0001		$ 0.0001
Number of common stock shares issued								1,518,444
Exercise of pre-funded warrants, shares								1,518,444
Outstanding pre-funded warrants are exercisable into shares of common stock								720,333
Prefunded warrant description								Each Pre-Funded Warrant is exercisable for one share of our common stock at an exercise price of $0.01 per share.
Number of shares converted								686,228
Number of warrants to purchase common stock								4,016,817
Capital stock shares authorized								155,000,000
Capital stock par value								$ 0.0001
Common stock shares authorized								150,000,000		150,000,000
Warrants exercise price per share								$ 22.95
Prefunded units, share								720,333
Secretary of State of Delaware a Certificate of Amendment [Member]
Reverse stock split							one-for-fifty reverse stock split
Common stock, par value							$ 0.0001
Underwritten Public Offering [Member]
Underwritten public offering shares of common stock					486,957
Shares issued price per share					$ 5.00
Proceeds from issuance initial public offering					$ 2,000
Over-Allotment Option [Member]
Underwritten public offering shares of common stock				12,393
Shares issued price per share				$ 5.00
Proceeds from issuance initial public offering				$ 47
September 2019 Offering [Member]
Proceeds from issuance initial public offering	$ 5,000
September 2019 Offering [Member] | Underwriting Agreement [Member]
Common stock, par value		$ 0.0001	$ 0.0001
Common units issued		539,000	539,000
Prefunded units, share		2,238,777	2,238,777
Common units price per share		$ 1.80	$ 1.80
Prefunded units, per share		$ 1.79	$ 1.79
September Underwriter Warrant [Member]
Number of warrants to purchase common stock		194,444	194,444
Warrants maturity date			Sep. 19, 2024
Warrants exercise price per share		$ 2.25	$ 2.25
Offering description			In connection with the offering, the Company issued to the underwriter warrants to purchase up to 194,444 shares of common stock, or 7% of the shares sold in the offering, including the number of shares of common stock issuable upon exercise of the Pre-Funded Warrants sold in the offering (the "September Underwriter Warrants"). The September Underwriter Warrants are exercisable at any time and from time to time, in whole or in part, following the date of issuance and ending on September 19, 2024, at an exercise price of $2.25 per share (125% of the offering price to the public per Common Unit).
Percentage for shares of common stock sold			7.00%
Percentage for gross proceeds of offering			125.00%
Long Term Incentive Plan [Member]
Increase in common stock shares issuable									500,000
Series C Convertible Preferred Stock [Member]
Number of shares converted								24,554
Additional shares of common stock issuable upon conversion						50,708
Preferred stock shares outstanding						59,423
Series C Convertible Preferred Stock [Member] | September 2019 Offering [Member]
Reduction of conversion price of outstanding shares		$ 1.80	$ 1.80
Series B and Series C Convertible Preferred Stock [Member]
Reduction of conversion price of outstanding shares					$ 5.00
Series B Convertible Preferred Stock [Member]
Additional shares of common stock issuable upon conversion						133,233
Preferred stock shares outstanding						17,303
Series B Convertible Preferred Stock [Member] | September 2019 Offering [Member]
Preferred stock shares outstanding		17,303	17,303
Convertible preferred stock shares issued conversion upon conversion		355,288	355,288
Series E Warrant [Member] | September 2019 Offering [Member] | Underwriting Agreement [Member]
Number of warrants to purchase common stock	194,444
Series E Warrants [Member]
Number of warrants to purchase common stock								2,972,221
Warrants exercise price per share								$ 1.80
Series E Warrants [Member] | September 2019 Offering [Member] | Underwriting Agreement [Member]
Warrants exercise price per share	$ 0.01
Series C Preferred Stock [Member]
Number of shares converted								131,090
Preferred stock shares outstanding								36,869
Series C Preferred Stock [Member] | September 2019 Offering [Member]
Preferred stock shares outstanding		37,025	37,025
Convertible preferred stock shares issued conversion upon conversion		88,305	88,305
Common Stock [Member]
Number of common stock shares issued								32,034
Exercise of pre-funded warrants, shares								32,034
Proceeds from exercise of pre-funded warrants								$ 16
Number of shares converted								29,728
Common Stock [Member] | September 2019 Offering [Member] | Underwriting Agreement [Member]
Prefunded units exercise price per share		$ 0.01	$ 0.01
Common Stock [Member] | Series E Warrant [Member] | September 2019 Offering [Member] | Underwriting Agreement [Member]
Warrants maturity date		Sep. 24, 2024
Prefunded units exercise price per share		$ 1.80	$ 1.80
Preferred Stock Blank Check [Member]
Preferred stock shares authorized								5,000,000
April Underwriter Warrants [Member]
Number of warrants to purchase common stock					34,955
Shares sold in offering percentage					7.00%
Warrants maturity date					Apr. 04, 2024
Warrants exercise price per share					$ 6.25
Offering price percentage					125.00%