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Exercise price per share or per unit of warrants or rights outstanding.

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The cash inflow from the additional capital contribution to the entity.

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The cash inflow associated with the amount received from holders exercising their stock warrants.

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Per share or per unit amount of equity securities issued.

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8. Stockholders' Equity (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	7 Months Ended	9 Months Ended	11 Months Ended	12 Months Ended
	Apr. 11, 2018	Aug. 07, 2019	Oct. 03, 2018	Nov. 19, 2019	Dec. 31, 2019	Dec. 31, 2018
Proceeds from the sale of equity					$ 708	$ 18,715
Proceeds from exercise of pre-funded warrants					72	105
Pre-Funded Warrant [Member]
Proceeds from exercise of pre-funded warrants					$ 72	$ 105
Stock issued from exercise of warrants					130,338	191,532
April 2018 Offering [Member]
Proceeds from the sale of equity						$ 4,210
April 2018 Offering [Member] \| H.C. Wainwright & Co [Member]
Warrants issued	1,373
Warrant exercise price	$ 223.00
April 2018 Offering [Member] \| Common Stock [Member]
Stock issued during period, shares	27,465
Stock price per share	$ 173.25
April 2018 Offering [Member] \| Warrants [Member]
Stock price per share	$ 6.875
Warrants issued	20,599
Warrant exercise price	$ 173.25
LPC 2017 Purchase Agreement [Member]
Stock issued during period, shares					0	7,910
Proceeds from the issuance of common stock						$ 1,312
Maximum potential consideration						$ 15,000,000
October 2018 Offering [Member]
Warrant exercise price			$ 38.50	$ 10.45
Proceeds from the sale of equity			$ 13,193
October 2018 Offering [Member] \| Pre-Funded Units [Member]
Stock price per share			$ 37.95
Warrants issued			321,870
Warrant exercise price			$ 0.55
Unit description			One pre-funded warrant and one warrant
October 2018 Offering [Member] \| Units [Member]
Stock issued during period, shares			67,740
Stock price per share			$ 38.50
Unit description			One share of common stock and one warrant
October 2018 Offering [Member] \| H.C. Wainwright & Co [Member]
Warrants issued			29,220
Warrant exercise price			$ 48.125
2019 Purchase Agreement [Member]
Stock issued during period, shares		0
Maximum potential consideration					$ 10,000,000
2019 Purchase Agreement [Member] \| Commitment Fee [Member]
Stock issued during period, shares		9,090
Stock price per share		$ 20.72
November 2019 Offering [Member]
Stock issued during period, shares				181,818
Proceeds from the issuance of common stock				$ 766
Stock price per share				$ 5.50
Increase in fair value due to modification of price				$ 800
November 2019 Offering [Member] \| H.C. Wainwright & Co [Member]
Warrants issued				13,636
Warrant exercise price				$ 6.875
October 2018 Offering [Member] \| H.C. Wainwright & Co [Member]
Warrant exercise price				$ 13.06