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v3.22.1

Warrant activity (Details) - Warrant [Member] - $ / shares | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Number of Warrants Outstanding, Beginning | 965,584 | 2,535,790
Weighted Average Exercise Price Outstanding, Beginning | $ 6.33 | $ 6.41
Number of Warrants Exercised | (445,926) | (1,570,206)
Weighted Average Exercise Price Exercised | $ 6.40 | $ 6.47
Number of Warrants Outstanding, Ending | 519,658 | 965,584
Weighted Average Exercise Price Outstanding, Ending | $ 6.30 | $ 6.33
Number of Warrants Exercisable, Ending | 519,658 |
Weighted Average Exercise Price Exercisable, ending | $ 6.30 |

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- Definition Warrants - Weighted Average Exercise Price Exercisable + References No definition available. + Details
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- Definition Warrants - Weighted Average Exercise Price Exercised + References No definition available. + Details
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- Definition Exercise price per share or per unit of warrants or rights outstanding. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=123467817&loc=d3e21475-112644 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Number of non-option equity instruments exercised by participants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(2) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901 + Details
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- Details
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