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v3.20.4

Shareholders Equity and Capital Stock (Details 3) - $ / shares | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Shareholders' Equity and Capital Stock |  |  |
Number of RSUs Unvested, Beginning Balance | 1,155,928 | 985,496 | 1,175,952
Number of RSUs Unvested, Granted | 737,553 | 713,106 | 470,756
Number of RSUs Released | (475,086) |  | (621,092)
Number of RSUs Forfeited | 13,433 | (542,674) | (40,120)
Number of RSUs Unvested, Ending Balance | 1,404,962 | 1,155,928 | 985,496
Number of RSUs Unvested, Beginning Balance, Weighted average grant date fair value | $ 0.65 | $ 0.67 | $ 0.65
Granted, Weighted average grant date fair value | 0.48 | 0.61 | 0.71
Released, Weighted average grant date fair value | 0.70 |  | 0.63
Forfeited, Weighted average grant date fair value | 0.61 | 0.68 | 0.57
Number of RSUs Unvested, Ending Balance, Weighted Average Grant Date Fair Value | $ 0.54 | $ 0.65 | $ 0.67

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- Definition The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period. + 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)(3) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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- Definition Weighted average fair value as of the grant date of equity-based award plans other than stock (unit) option plans that were not exercised or put into effect as a result of the occurrence of a terminating event. + 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)(2)(iii)(3) -URI http://asc.fasb.org/extlink&oid=116856206&loc=d3e5070-113901 + Details
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