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v3.20.4

Commitments and contingencies (Tables) | 12 Months Ended
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Dec. 31, 2020
Commitments and contingencies |
Schedule of rent expense | The Company utilizes leased facilities and operates equipment under non-cancelable operating leases through July 2030. Below is a table of key properties : Properties
|  |  |  |  | Lease
|  | Annual |  | Expiration
Location |  | Rent |  | Date
Auburn, Washington |  | $ | 60,000 |  | Month to Month
Baton Rouge, Louisiana |  | $ | 24,600 |  | Month to Month
Champaign, Illinois |  | $ | 654,000 |  | 12/2024
Champaign, Illinois (2 nd location) |  | $ | 305,000 |  | 9/2021
Charlotte, North Carolina |  | $ | 31,000 |  | 5/2021
Escondido, California |  | $ | 219,000 |  | 6/2022
Hampstead, New Hampshire |  | $ | 33,000 |  | 8/2022
Long Beach, California |  | $ | 27,600 |  | 2/2022
Long Island City, New York |  | $ | 815,000 |  | 7/2021
Ontario, California |  | $ | 110,400 |  | 12/2021
Pearl River, New York |  | $ | 150,000 |  | 12/2021
Riverside, California |  | $ | 27,000 |  | Month to Month
Rantoul, Illinois |  | $ | 36,000 |  | 2/2021
Smyrna, Georgia |  | $ | 465,000 |  | 7/2030
Stony Point, New York |  | $ | 105,000 |  | 6/2021

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- Definition Tabular disclosure of rental expense from operating leases for each period for which an income statement is presented with separate amounts for minimum rentals, contingent rentals, and sublease rentals. Rental payments under leases with terms of a month or less that were not renewed need not be included. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121573735&loc=d3e41499-112717 + Details
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