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SHORT-TERM LINE OF CREDIT | 3 Months Ended | 12 Months Ended
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Mar. 31, 2022 | Dec. 31, 2021
Debt Disclosure [Abstract] |  |
SHORT-TERM LINE OF CREDIT | 11. Short-Term Line of Credit SHORT-TERM LINE OF CREDIT (a) In March 2022, ENP Investments signed a new agreement with Midland to renew the credit line. The revolving line of credit is for an aggregate amount up to $4,000,000. 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 1.000 percentage points over the Index. Under no circumstances will the interest rate of this loan be less than 4.25% per annum or more than the maximum rate allowed by applicable law. The interest rate at March 31, 2022 is 4.50% (December 31, 2021 - 4.25%). 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 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. NanoChem is a guarantor of 65% of all the principal and other loan costs not to exceed $2,600,000. As of March 31, 2022, ENP Investments was in compliance with all loan covenants. To secure the repayment of any amounts borrowed under the revolving line of credit, ENP Investments 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, 2022 were $3,459,391 (December 31, 2021 - $811,665). (b) In October 2021, the Company signed a new agreement with Midland to replace the expiring credit line at Harris. The revolving line of credit is for an aggregate amount of up to the lesser of (i) $3,500,000, or (ii) 80% of eligible domestic accounts receivable and certain foreign accounts receivable plus 50% of inventory. Interest on the unpaid principal balance of this loan will be calculated using a rate of 0.500 percentage points over the Index. Under no circumstances will the interest rate of this loan be less than 4.50% per annum or more than the maximum rate allowed by applicable law. The interest rate at March 31, 2022 is 4.50% (December 31, 2021 - 4.50%). 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 Midland, Midland’s 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, 2022, 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 Midland a security interest in substantially all of the assets of NanoChem, exclusive of intellectual property assets. Short-term borrowings outstanding under the revolving line as of March 31, 2022 were $1,489,154 (December 31, 2021 - $1,489,154). | 11. Short-Term Line of Credit 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 60% of inventory. The loan had an annual interest rate of 4.75%. The revolving line of credit at Harris was paid in October 2020, upon the opening of the revolving line of credit at Midland States Bank (“Midland”). (b) In April 2020 and in August 2021, ENP Investments signed a new agreement with Midland to renew the expiring credit line. The revolving line of credit is for an aggregate amount up to $3,000,000. 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 1.000 percentage points over the Index. Under no circumstances will the interest rate of this loan be less than 4.250% per annum or more than the maximum rate allowed by applicable law. The interest rate at December 31, 2021 is 4.25% (2020 – 4.5%). In March 2022, a new agreement was signed, increasing the revolving line of credit to an aggregate amount $4,000,000. 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 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. NanoChem is a guarantor of 65% of all the principal and other loan costs not to exceed $1,950,000. As of December 31, 2021, ENP Investments was in compliance with all loan covenants. To secure the repayment of any amounts borrowed under the revolving line of credit, ENP Investments 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 December 31, 2021 were $811,665 (2020 - $541,456). (c) In October 2021, the Company signed a new agreement with Midland to replace the expiring credit line at Harris. The revolving line of credit is for an aggregate amount of up to the lesser of (i) $3,500,000, or (ii) 80% of eligible domestic accounts receivable and certain foreign accounts receivable plus 50% of inventory. Interest on the unpaid principal balance of this loan will be calculated using a rate of 0.500 percentage points over the Index. Under no circumstances will the interest rate of this loan be less than 4.50% per annum or more than the maximum rate allowed by applicable law. The interest rate at December 31, 2021 is 4.50% (2020 – 3.75%). 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 Midland, Midland’s 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 December 31, 2021, 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 Midland a security interest in substantially all of the assets of NanoChem, exclusive of intellectual property assets. Short-term borrowings outstanding under the revolving line as of December 31, 2021 were $1,489,154 (2020 - $1,574,617).

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