Stock-based compensation expense (Details) |
May 04, 2020
$ / shares
shares
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| Compensation Related Costs [Abstract] | |
| Number of shares | shares | 300,000 |
| Vesting date | Jul. 15, 2021 |
| Maturity date | Jul. 15, 2026 |
| Maturity date | Jul. 15, 2027 |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value | $ 1.00 |
| Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Exercise Price | $ 0.50 |
| Risk free rate | 0.46% |
| Dividend yield | 0.00% |
| Exercise multiple | 2 years 9 months 18 days |
| Expected terms (years) from the date of granting | 6 years 2 months 12 days |
| Expected terms (years) from the date of granting | 7 years 2 months 12 days |
| Expected volatility | 48.73% |
| Expected volatility | 47.74% |
| Value per Option | $ 0.611983 |
| Value per Option | $ 0.632 |
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- Definition The weighted average fair value as of grant date pertaining to an equity-based award plan other than a stock (or unit) option plan for which the grantee gained the right during the reporting period, by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash in accordance with the terms of the arrangement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award. No definition available.
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- Definition The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The risk-free interest rate assumption that is used in valuing an option on its own shares. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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