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Short-Term Line of Credit (Details Narrative) - USD ($) | 1 Months Ended |  |  |
--- | --- | --- | --- | ---
Oct. 31, 2020 | Apr. 30, 2020 | Sep. 30, 2018 | Mar. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Line of credit |  |  |  | $ 3,228,434 | $ 2,116,073 |
New Agreement [Member] | Midland States Bank [Member] |  |  |  |  |  |
Aggregate amount of revolving line of credit |  | $ 3,000,000 |  |  |  |
Annual interest rate of loan |  |  |  | 4.50% | 4.50% |
Debt effective rate |  | 4.05% |  |  |  |
Short-term borrowings |  |  |  | $ 1,739,280 | $ 541,456 |
New Agreement [Member] | Midland States Bank [Member] | Maximum [Member] |  |  |  |  |  |
Annual interest rate of loan |  | 4.50% |  |  |  |
New Agreement [Member] | Harris Bank [Member] |  |  |  |  |  |
Annual interest rate of loan |  |  |  |  |  | 3.25%
Line of credit |  |  |  |  |  | $ 1,641,085
New Agreement [Member] | NanoChem Solutions Inc. [Member] |  |  |  |  |  |
Line of credit |  |  |  | $ 1,625,000 |  |
Loan guaranteed rate |  |  |  | 65.00% |  |
New Agreement [Member] | Harris Bank [Member] |  |  |  |  |  |
Aggregate amount of revolving line of credit |  |  | $ 2,500,000 |  |  |
Eligible percentage of domestic accounts receivable |  |  | 80.00% |  |  |
Percentage of foreign accounts receivable of inventory |  |  | 60.00% |  |  |
New Agreement [Member] | Harris Bank [Member] | Midland States Bank [Member] |  |  |  |  |  |
Aggregate amount of revolving line of credit | $ 2,500,000 |  |  |  |  |
Eligible percentage of domestic accounts receivable | 80.00% |  |  |  |  |
Percentage of foreign accounts receivable of inventory | 50.00% |  |  |  |  |
Annual interest rate of loan |  |  |  | 3.75% | 3.75% |
Loan guaranteed rate |  |  |  | 148915400.00% | 157461700.00% |
New Agreement [Member] | Harris Bank [Member] | Midland States Bank [Member] | Prime Rate [Member] |  |  |  |  |  |
Percentage of foreign accounts receivable of inventory | 0.50% |  |  |  |  |

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- Definition Percentage of foreign accounts receivable of inventory. + References No definition available. + Details
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- Definition The effective interest rate at the end of the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The effective interest rate during the reporting period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition The carrying value as of the balance sheet date of the current portion of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(13)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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