Short-Term Line of Credit	3 Months Ended
Mar. 31, 2020
Debt Disclosure [Abstract]
Short-Term Line of Credit	11. Short-Term Line of Credit (a) In September 2018, the Company signed a new agreement with Harris Bank (“Harris”) to renew the expiring credit line. The revolving line of credit is for an aggregate amount of up to the lesser of (i) $2,500,000, or (ii) 80% of eligible domestic accounts receivable and certain foreign accounts receivable plus 50% of inventory. The loan has an annual interest rate of 3.25% at March 31, 2020 (December 31, 2019 – 4.75%). The revolving line of credit contains customary affirmative and negative covenants, including the following: compliance with laws, provision of financial statements and periodic reports, payment of taxes, maintenance of inventory and insurance, maintenance of operating accounts at Harris, Harris’ access to collateral, formation or acquisition of subsidiaries, incurrence of indebtedness, dispositions of assets, granting liens, changes in business, ownership or business locations, engaging in mergers and acquisitions, making investments or distributions and affiliate transactions. The covenants also require that the Company maintain a minimum ratio of qualifying financial assets to the sum of qualifying financial obligations. As of March 31, 2020, Company was in compliance with all loan covenants. To secure the repayment of any amounts borrowed under the revolving line of credit, the Company granted Harris a security interest in substantially all of the assets of NanoChem Solutions Inc., exclusive of intellectual property assets. Short-term borrowings outstanding under the revolving line as of March 31, 2020 were $1,641,085 (December 31, 2019 - $1,641,085). (b) In June 2019, EnP Investments, LLC signed a new agreement with Midland States Bank (“Midland”) to renew the expiring credit line. The revolving line of credit is for an aggregate amount of up to $2,500,000. The interest rate of this loan is subject to change from time to time based on changes in an independent index which is the 1 month LIBOR as published in the Wall Street Journal (the “Index”). Interest on the unpaid principal balance of this loan will be calculated using a rate of 4.060 percentage points over the Index. Under no circumstances will the interest rate of this loan be less than 4.750% per annum or more than the maximum rate allowed by applicable law. The interest rate at March 31, 2020 is 5.0445% (December 31, 2019 – 6.075%). The revolving line of credit contains customary affirmative and negative covenants, including the following: compliance with laws, provisions of financial statements and periodic reports, payment of taxes, maintenance of inventory and insurance, maintenance of operating accounts at Midland, Midland’s access to collateral, formation of acquisition of subsidiaries, incurrence of indebtedness, dispositions of assets, granting liens, changes in business, ownership or business locations, engaging in mergers and acquisitions, making investments or distributions and affiliate transactions. NanoChem Solutions Inc. is a guarantor of 65% of all the principal and other loan costs not to exceed $1,625,000. As of March 31, 2020, EnP Investments , LLC was in compliance with all loan covenants. To secure the repayment of any amounts borrowed under the revolving line of Credit, EnP Investments, LLC granted Midland a security interest in all inventory, equipment and fixtures and acknowledges a separate commercial security agreement from guarantor to Midland dated February 15, 2011. Short-term borrowings outstanding under the revolving line as of March 31, 2020 were $1,914,747 (December 31, 2019 – $748,897).

Short-Term Line of Credit

3 Months Ended

Mar. 31, 2020

11. Short-Term Line of Credit

(a) In September 2018, the Company signed a new agreement with Harris Bank (“Harris”) to renew the expiring credit line. The revolving line of credit is for an aggregate amount of up to the lesser of (i) $2,500,000, or (ii) 80% of eligible domestic accounts receivable and certain foreign accounts receivable plus 50% of inventory. The loan has an annual interest rate of 3.25% at March 31, 2020 (December 31, 2019 – 4.75%).

The revolving line of credit contains customary affirmative and negative covenants, including the following: compliance with laws, provision of financial statements and periodic reports, payment of taxes, maintenance of inventory and insurance, maintenance of operating accounts at Harris, Harris’ access to collateral, formation or acquisition of subsidiaries, incurrence of indebtedness, dispositions of assets, granting liens, changes in business, ownership or business locations, engaging in mergers and acquisitions, making investments or distributions and affiliate transactions. The covenants also require that the Company maintain a minimum ratio of qualifying financial assets to the sum of qualifying financial obligations. As of March 31, 2020, Company was in compliance with all loan covenants.

To secure the repayment of any amounts borrowed under the revolving line of credit, the Company granted Harris a security interest in substantially all of the assets of NanoChem Solutions Inc., exclusive of intellectual property assets.

Short-term borrowings outstanding under the revolving line as of March 31, 2020 were $1,641,085 (December 31, 2019 - $1,641,085).

(b) In June 2019, EnP Investments, LLC signed a new agreement with Midland States Bank (“Midland”) to renew the expiring credit line. The revolving line of credit is for an aggregate amount of up to $2,500,000. The interest rate of this loan is subject to change from time to time based on changes in an independent index which is the 1 month LIBOR as published in the Wall Street Journal (the “Index”). Interest on the unpaid principal balance of this loan will be calculated using a rate of 4.060 percentage points over the Index. Under no circumstances will the interest rate of this loan be less than 4.750% per annum or more than the maximum rate allowed by applicable law. The interest rate at March 31, 2020 is 5.0445% (December 31, 2019 – 6.075%).

The revolving line of credit contains customary affirmative and negative covenants, including the following: compliance with laws, provisions of financial statements and periodic reports, payment of taxes, maintenance of inventory and insurance, maintenance of operating accounts at Midland, Midland’s access to collateral, formation of acquisition of subsidiaries, incurrence of indebtedness, dispositions of assets, granting liens, changes in business, ownership or business locations, engaging in mergers and acquisitions, making investments or distributions and affiliate transactions. NanoChem Solutions Inc. is a guarantor of 65% of all the principal and other loan costs not to exceed $1,625,000. As of March 31, 2020, EnP Investments , LLC was in compliance with all loan covenants.

To secure the repayment of any amounts borrowed under the revolving line of Credit, EnP Investments, LLC granted Midland a security interest in all inventory, equipment and fixtures and acknowledges a separate commercial security agreement from guarantor to Midland dated February 15, 2011.

Short-term borrowings outstanding under the revolving line as of March 31, 2020 were $1,914,747 (December 31, 2019 – $748,897).