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Shareholders' Equity (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands			1 Months Ended		3 Months Ended			9 Months Ended
	Oct. 02, 2020	Sep. 29, 2020	Jan. 31, 2020	Dec. 31, 2016	Sep. 30, 2020	Mar. 31, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019	Dec. 31, 2019	Dec. 31, 2018
Warrants to purchase common stock		50,000
Warrant exercise price					$ 5.25			$ 5.25		$ 11.30
Fair value of warrants					$ 55		$ (23)	$ (65)	$ 219
Proceeds from warrant exercise		$ 565						565
Warrant liability					137			137		$ 73
Stock-based compensation expense								$ 170	$ 35
Stock option, granted
Stock option, exercised
Stock option, forfeited
Stock option, expired								166
Chief Executive Officer [Member]
Restricted shares granted during period, shares			48
Chief Executive Officer [Member] | Vest After One Year [Member]
Restricted shares granted during period, shares			24
Chief Executive Officer [Member] | Vest After Two Year [Member]
Restricted shares granted during period, shares			24
Member of Board [Member]
Restricted shares granted during period, shares			28
Vesting date			Jan. 28, 2021
Original Warrant Agreement [Member] | Maximum [Member]
Warrant exercise price											$ 20.50
Original Warrant Agreement [Member] | Minimum [Member]
Warrant exercise price											$ 11.30
Common Stock [Member]
Number of share issued						(327)
Registered Direct Offering [Member]
Number of share issued				100,000
Net share price				$ 15.00
Proceeds from warrants				$ 1,320
Share price				$ 15.00
Registered Direct Offering [Member] | Subsequent Event [Member]
Number of share issued	315,810
Net share price	$ 5.25
Share price	$ 5.25
Registered Direct Offering [Member] | Warrant [Member]
Warrants to purchase common stock				100,000
Warrant exercise price				$ 20.05
Fair value of warrants				$ 1,240
Registered Direct Offering [Member] | Common Stock [Member]
Fair value of warrants				$ 80
Stock Options [Member]
Stock-based compensation expense								$ 0	$ 26
Restricted Stock [Member]
Stock-based compensation expense								170
Unrecognized share based compensation					$ 202			$ 202

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