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Organization and Summary of Significant Accounting Policies (Details) $ in Thousands				1 Months Ended		3 Months Ended			9 Months Ended		12 Months Ended
	Jul. 12, 2019 shares	Apr. 14, 2017 shares	Apr. 14, 2017 shares	Apr. 30, 2017 shares	Sep. 30, 2016 shares	Dec. 31, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2019 USD ($) Segments	Dec. 31, 2018 USD ($)	Mar. 31, 2019 USD ($)	Mar. 31, 2018 USD ($)	Dec. 28, 2018 USD ($)	Dec. 31, 2016
Organization and Summary of Significant Accounting Policies (Textual)
Net loss						$ (5,461)		$ (2,683)	$ (11,496)	$ (9,260)	$ (13,650)	$ (32,836)
Accumulated deficit						$ (127,340)	$ (115,886)		(127,340)		(115,886)	(102,236)
Accumulated deficit together with losses									(11,454)
Cash used in operating activities									$ (4,589)	$ (7,282)	(9,040)	(17,643)
Additional capital, net of expenses							12,693				4,221	$ 12,693
Shares received from Eco3d \| shares	4,277,000
Working capital							5,045				5,045
Line of credit facility							$ 905				$ 905
Additional operating liabilities, description									The Company recognized additional operating liabilities of approximately $99, with corresponding right of use assets of $99 based on the present value of the remaining minimum rental payments under leasing standards for existing operating leases.		The Company currently expects to recognize additional operating liabilities of approximately $121, with corresponding right of use assets of $112 based on the present value of the remaining minimum rental payments under leasing standards for existing operating leases.
Number of segments \| Segments									2
Eco 3d LLC [Member]
Organization and Summary of Significant Accounting Policies (Textual)
Percentage of non-controlling interest					35.00%		35.00%				35.00%			35.00%
Eco 3d LLC [Member]
Organization and Summary of Significant Accounting Policies (Textual)
Percentage of non-controlling interest					35.00%
Loan And Security Agreement [Member]
Organization and Summary of Significant Accounting Policies (Textual)
Line of credit facility													$ 10,000
Executive Officer [Member]
Organization and Summary of Significant Accounting Policies (Textual)
Shares received from Eco3d \| shares					525
Eco3d, LLC [Member]
Organization and Summary of Significant Accounting Policies (Textual)
Ownership percentage of the company							65.00%				65.00%
Percentage of non-controlling interest, description											Eco3d was formed by Ecoark in November 2013 and Ecoark owned 65% of the LLC. The remaining 35% was reflected as non-controlling interest
Shares received from Eco3d \| shares			560
Reacquired shares canceled \| shares				525
Shares issued under equity purchase agreement, net of expenses, shares \| shares		525
Sable Polymer Solutions Llc [Member]
Organization and Summary of Significant Accounting Policies (Textual)
Ownership percentage of the company							100.00%				100.00%
Ecoark and Magnolia solar [Member]
Organization and Summary of Significant Accounting Policies (Textual)
Ownership percentage of the company							100.00%				100.00%
Eco3d, LLC [Member]
Organization and Summary of Significant Accounting Policies (Textual)
Ownership percentage of the company							100.00%				100.00%
Zest Labs, Inc. [Member]
Organization and Summary of Significant Accounting Policies (Textual)
Ownership percentage of the company							100.00%				100.00%
Ecoark Holdings, Inc. [Member]
Organization and Summary of Significant Accounting Policies (Textual)
Shares issued under equity purchase agreement, net of expenses, shares \| shares					525