Concentrations	9 Months Ended	12 Months Ended
Dec. 31, 2019	Mar. 31, 2019
Risks and Uncertainties [Abstract]
CONCENTRATIONS	NOTE 14: CONCENTRATIONS Concentration of Credit Risk. The Company's customer base for its Zest Lab products is concentrated with a small number of customers. The Company does not generally require collateral or other security to support accounts receivable. To reduce credit risk, the Company performs ongoing credit evaluations on its customers' financial condition. The Company establishes allowances for doubtful accounts based upon factors surrounding the credit risk of customers, historical trends and other information. J. Terrence Thompson accounted for more than 10% of the Company's accounts receivable as of March 31, 2019. Supplier Concentration. Certain of the components and equipment used by the Company in the manufacture of its hardware are available from single-sourced vendors. Shortages could occur in these essential materials and components due to an interruption of supply or increased demand in the industry. If the Company were unable to procure certain components or equipment at acceptable prices, it would be required to reduce its operations, which could have a material adverse effect on its results of operations. In addition, the Company may make prepayments to certain suppliers or enter into minimum volume commitment agreements. Should these suppliers be unable to deliver on their obligations or experience financial difficulty, the Company may not be able to recover these prepayments. The Company occasionally maintains cash balances in excess of the FDIC insured limit. The Company does not consider this risk to be material.	NOTE 16: CONCENTRATIONS Concentration of Credit Risk. The Company's customer base for its Zest Lab products is concentrated with a small number of customers. The Company does not generally require collateral or other security to support accounts receivable. To reduce credit risk, the Company performs ongoing credit evaluations on its customers' financial condition. The Company establishes allowances for doubtful accounts based upon factors surrounding the credit risk of customers, historical trends and other information. J. Terrence Thompson accounted for more than 10% of the Company's accounts receivable as of March, 2019 and 2018. Supplier Concentration. Certain of the raw materials, components and equipment used by the Company in the manufacture of its products are available from single-sourced vendors. Shortages could occur in these essential materials and components due to an interruption of supply or increased demand in the industry. If the Company were unable to procure certain materials, components or equipment at acceptable prices, it would be required to reduce its manufacturing operations, which could have a material adverse effect on its results of operations. In addition, the Company may make prepayments to certain suppliers or enter into minimum volume commitment agreements. Should these suppliers be unable to deliver on their obligations or experience financial difficulty, the Company may not be able to recover these prepayments. The Company occasionally maintains cash balances in excess of the FDIC insured limit. The Company does not consider this risk to be material.

Concentrations

9 Months Ended

12 Months Ended

Dec. 31, 2019

Mar. 31, 2019

NOTE 14: CONCENTRATIONS

Concentration of Credit Risk. The Company's customer base for its Zest Lab products is concentrated with a small number of customers. The Company does not generally require collateral or other security to support accounts receivable. To reduce credit risk, the Company performs ongoing credit evaluations on its customers' financial condition. The Company establishes allowances for doubtful accounts based upon factors surrounding the credit risk of customers, historical trends and other information. J. Terrence Thompson accounted for more than 10% of the Company's accounts receivable as of March 31, 2019.

Supplier Concentration. Certain of the components and equipment used by the Company in the manufacture of its hardware are available from single-sourced vendors. Shortages could occur in these essential materials and components due to an interruption of supply or increased demand in the industry. If the Company were unable to procure certain components or equipment at acceptable prices, it would be required to reduce its operations, which could have a material adverse effect on its results of operations. In addition, the Company may make prepayments to certain suppliers or enter into minimum volume commitment agreements. Should these suppliers be unable to deliver on their obligations or experience financial difficulty, the Company may not be able to recover these prepayments.

The Company occasionally maintains cash balances in excess of the FDIC insured limit. The Company does not consider this risk to be material.

NOTE 16: CONCENTRATIONS

Supplier Concentration. Certain of the raw materials, components and equipment used by the Company in the manufacture of its products are available from single-sourced vendors. Shortages could occur in these essential materials and components due to an interruption of supply or increased demand in the industry. If the Company were unable to procure certain materials, components or equipment at acceptable prices, it would be required to reduce its manufacturing operations, which could have a material adverse effect on its results of operations. In addition, the Company may make prepayments to certain suppliers or enter into minimum volume commitment agreements. Should these suppliers be unable to deliver on their obligations or experience financial difficulty, the Company may not be able to recover these prepayments.

The Company occasionally maintains cash balances in excess of the FDIC insured limit. The Company does not consider this risk to be material.