Organization and Summary of Significant Accounting Policies (Policies)	9 Months Ended
Dec. 31, 2019
Accounting Policies [Abstract]
Principles of Consolidation	*Principles of Consolidation* The condensed consolidated financial statements of Ecoark Holdings and its subsidiaries and the accompanying notes included in this Quarterly Report on Form 10-Q are unaudited. In the opinion of management, all adjustments necessary for the fair presentation of the condensed consolidated financial statements have been included. Such adjustments are of a normal, recurring nature. The condensed consolidated financial statements, and the accompanying notes, are prepared in accordance with generally accepted accounting principles in the United States ("GAAP") and do not contain certain information included in the Company's Annual Report on Form 10-K for the fiscal year ended March 31, 2019. Therefore, the interim condensed consolidated financial statements should be read in conjunction with that Annual Report on Form 10-K.
Reclassifications	*Reclassifications* The Company has reclassified certain amounts in the December 31, 2018 condensed consolidated financial statements to be consistent with the December 31, 2019 presentation. Reclassifications relating to the discontinued operations are described in Note 2. The reclassifications had no impact on net loss or net cash flows for the nine months ended December 31, 2018.
Segment Information	*Segment Information* The Company follows the provisions of Financial Accounting Standards Board ("FASB") Accounting Standards Codification ("ASC") 280-10 Segment Reporting. This standard requires that companies disclose operating segments based on the manner in which management disaggregates the Company in making internal operating decisions. The Company and its Chief Operating Decision Makers determined that the Company's operations effective with the May 31, 2019, acquisition of Trend Holdings now consist of two segments, Trend Holdings and Zest Labs (which includes the operations of 440IoT Inc.).
Recently Adopted Accounting Pronouncements	*Recently Adopted Accounting Pronouncements* In February 2016, the FASB issued Accounting Standards Update ("ASU") 2016-02 and later updated with ASU 2019-01 in March 2019 Leases (Topic 842). The ASU's change the accounting for leased assets, principally by requiring balance sheet recognition of assets under lease arrangements. It is effective for annual reporting periods, and interim periods within those years, beginning after December 15, 2018. On adoption, 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. In June 2018, the FASB issued ASU 2018-07 Compensation – Stock Compensation (Topic 718), Improvements to Nonemployee Share-Based Payment Accounting. This ASU is intended to simplify aspects of share-based compensation issued to non-employees by making the guidance consistent with accounting for employee share-based compensation. It is effective for annual reporting periods, and interim periods within those years, beginning after December 15, 2018. The Company adopted ASU 2018-07 effective April 1, 2019. The adoption did not have a material impact on our consolidated financial statements. *Recent Accounting Pronouncements* In January 2017, the FASB issued ASU 2017-04 Intangibles – Goodwill and Other (Topic 350), Simplifying the Test for Goodwill Impairment. This ASU is intended to simplify the subsequent measurement of goodwill by eliminating "Step 2" from the goodwill impairment test. It is effective for annual reporting periods, and interim reporting periods within those years, beginning after December 15, 2019. It is not possible to determine or estimate the impact on our consolidated financial statements at this time. There were other updates recently issued which represent technical corrections to the accounting literature or application to specific industries or transactions that are not expected to have a material impact, if any impact, on the Company's financial position, results of operations or cash flows.
Going Concern	*Going Concern* The Company has experienced losses from operations resulting in an accumulated deficit of $127,382 since inception. The accumulated deficit together with losses of $11,496 for the nine months ended December 31, 2019, and net cash used in operating activities in the nine months ended December 31, 2019 of $4,589, have resulted in the uncertainty of the Company's ability to continue as a going concern. These condensed consolidated financial statements of the Company have been prepared assuming the Company will continue as a going concern, which contemplates, among other things, the realization of assets and the satisfaction of liabilities in the normal course of business over a reasonable period of time. The Company has raised additional capital through various offerings in addition to a credit facility. The Company's ability to raise additional capital through future equity and debt securities issuances is unknown. Obtaining additional financing and the successful development of the Company's strategic plan to achieve profitability are necessary for the Company to continue operations. There can be no assurance that such capital will be available or on terms acceptable to the Company. The Company intends to further develop its product offerings and customer bases and has opportunities from the Trend Holdings acquisition. The Company's plans to achieve profitability include evaluating the cost structure and processes of its operations, both at the margin and operating expense levels, as well as pursuing additional strategic acquisitions and dispositions. The ability to successfully resolve these factors raises substantial doubt about the Company's ability to continue as a going concern as determined by management. The condensed consolidated financial statements of the Company do not include any adjustments that may result from the outcome of the uncertainties.

Organization and Summary of Significant Accounting Policies (Policies)

9 Months Ended

Dec. 31, 2019

Principles of Consolidation

The condensed consolidated financial statements of Ecoark Holdings and its subsidiaries and the accompanying notes included in this Quarterly Report on Form 10-Q are unaudited. In the opinion of management, all adjustments necessary for the fair presentation of the condensed consolidated financial statements have been included. Such adjustments are of a normal, recurring nature. The condensed consolidated financial statements, and the accompanying notes, are prepared in accordance with generally accepted accounting principles in the United States ("GAAP") and do not contain certain information included in the Company's Annual Report on Form 10-K for the fiscal year ended March 31, 2019. Therefore, the interim condensed consolidated financial statements should be read in conjunction with that Annual Report on Form 10-K.

Reclassifications

Reclassifications

The Company has reclassified certain amounts in the December 31, 2018 condensed consolidated financial statements to be consistent with the December 31, 2019 presentation. Reclassifications relating to the discontinued operations are described in Note 2. The reclassifications had no impact on net loss or net cash flows for the nine months ended December 31, 2018.

Segment Information

Segment Information

The Company follows the provisions of Financial Accounting Standards Board ("FASB") Accounting Standards Codification ("ASC") 280-10 Segment Reporting. This standard requires that companies disclose operating segments based on the manner in which management disaggregates the Company in making internal operating decisions. The Company and its Chief Operating Decision Makers determined that the Company's operations effective with the May 31, 2019, acquisition of Trend Holdings now consist of two segments, Trend Holdings and Zest Labs (which includes the operations of 440IoT Inc.).

Recently Adopted Accounting Pronouncements

Recently Adopted Accounting Pronouncements

In February 2016, the FASB issued Accounting Standards Update ("ASU") 2016-02 and later updated with ASU 2019-01 in March 2019 Leases (Topic 842). The ASU's change the accounting for leased assets, principally by requiring balance sheet recognition of assets under lease arrangements. It is effective for annual reporting periods, and interim periods within those years, beginning after December 15, 2018. On adoption, 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.

In June 2018, the FASB issued ASU 2018-07 Compensation – Stock Compensation (Topic 718), Improvements to Nonemployee Share-Based Payment Accounting. This ASU is intended to simplify aspects of share-based compensation issued to non-employees by making the guidance consistent with accounting for employee share-based compensation. It is effective for annual reporting periods, and interim periods within those years, beginning after December 15, 2018. The Company adopted ASU 2018-07 effective April 1, 2019. The adoption did not have a material impact on our consolidated financial statements.

Recent Accounting Pronouncements

In January 2017, the FASB issued ASU 2017-04 Intangibles – Goodwill and Other (Topic 350), Simplifying the Test for Goodwill Impairment. This ASU is intended to simplify the subsequent measurement of goodwill by eliminating "Step 2" from the goodwill impairment test. It is effective for annual reporting periods, and interim reporting periods within those years, beginning after December 15, 2019. It is not possible to determine or estimate the impact on our consolidated financial statements at this time.

There were other updates recently issued which represent technical corrections to the accounting literature or application to specific industries or transactions that are not expected to have a material impact, if any impact, on the Company's financial position, results of operations or cash flows.

Going Concern

Going Concern

The Company has experienced losses from operations resulting in an accumulated deficit of $127,382 since inception. The accumulated deficit together with losses of $11,496 for the nine months ended December 31, 2019, and net cash used in operating activities in the nine months ended December 31, 2019 of $4,589, have resulted in the uncertainty of the Company's ability to continue as a going concern.

These condensed consolidated financial statements of the Company have been prepared assuming the Company will continue as a going concern, which contemplates, among other things, the realization of assets and the satisfaction of liabilities in the normal course of business over a reasonable period of time.

The Company has raised additional capital through various offerings in addition to a credit facility. The Company's ability to raise additional capital through future equity and debt securities issuances is unknown. Obtaining additional financing and the successful development of the Company's strategic plan to achieve profitability are necessary for the Company to continue operations. There can be no assurance that such capital will be available or on terms acceptable to the Company. The Company intends to further develop its product offerings and customer bases and has opportunities from the Trend Holdings acquisition. The Company's plans to achieve profitability include evaluating the cost structure and processes of its operations, both at the margin and operating expense levels, as well as pursuing additional strategic acquisitions and dispositions. The ability to successfully resolve these factors raises substantial doubt about the Company's ability to continue as a going concern as determined by management. The condensed consolidated financial statements of the Company do not include any adjustments that may result from the outcome of the uncertainties.