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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ 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)(iii)
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- Definition

The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

+ References

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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

+ 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=120381028&loc=d3e5070-113901

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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- Definition

Number of options outstanding, including both vested and non-vested options.

+ 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
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Reference 2: 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)(i)-(ii)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

No definition available.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

+ 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)(i)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- References

No definition available.

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- Definition

Number of fully vested and expected to vest options outstanding that can be converted into shares under option plan. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

+ 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 (e)(1)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Weighted-average exercise price, at which grantee can acquire shares reserved for issuance, for fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

+ 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
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-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

No definition available.

+ Details

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- Definition

Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

+ References

No definition available.

+ Details

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- Definition

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ 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
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Stock-Based Compensation Plan - number of options outstanding and weighted average exercise price related to the shares (Details) - $ / shares	3 Months Ended		12 Months Ended
	Mar. 31, 2021	Mar. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
2011 Stock Option Plans
Weighted Average Remaining Contractual Term (Years)
Outstanding			1 year 8 months 1 day
Exercisable			1 year 8 months 1 day
2017 Stock Option Plan
Weighted Average Exercise Price Per Share (in whole dollars)
Exercisable, Ending balance	$ 6.21
Stock option
Weighted Average Exercise Price Per Share (in whole dollars)
Exercisable, Ending balance	$ 6.55
Stock option \| 2011 Stock Option Plan
Number of Shares
Outstanding, Beginning balance	1,571,205	1,571,205	1,571,205
Granted	0	0	0	0	0
Forfeited	0
Outstanding, Ending balance	1,515,146	1,571,205	1,571,205	1,571,205
Exercisable, Ending balance	1,515,146
Vested, Ending balance	1,515,146	1,482,528
Weighted Average Exercise Price Per Share (in whole dollars)
Outstanding, Beginning balance	$ 0.59	$ 0.59	$ 0.59
Granted	0.00
Forfeited	0.00
Outstanding, Ending balance	0.58	0.59	$ 0.59	$ 0.59
Exercisable, Ending balance	0.58
Vested, Ending balance	$ 0.58	$ 0.59
Weighted Average Remaining Contractual Term (Years)
Outstanding	1 year 5 months 27 days
Exercisable	1 year 5 months 27 days
Stock option \| 2011 Stock Option Plans
Number of Shares
Outstanding, Beginning balance	1,571,205	1,571,205	1,571,205	1,647,650	1,785,251
Forfeited				(76,445)	(137,601)
Outstanding, Ending balance			1,571,205	1,571,205	1,647,650
Exercisable, Ending balance			1,494,377
Weighted Average Exercise Price Per Share (in whole dollars)
Outstanding, Beginning balance	$ 0.59	$ 0.59	$ 0.59	$ 0.60	$ 0.59
Forfeited				0.67	0.55
Outstanding, Ending balance			0.59	$ 0.59	$ 0.60
Exercisable, Ending balance			$ 0.59
Weighted Average Remaining Contractual Term (Years)
Outstanding			1 year 8 months 1 day
Exercisable			1 year 8 months 1 day
Stock option \| 2017 Stock Option Plan
Number of Shares
Outstanding, Beginning balance	3,961,658	2,845,557	2,845,557	2,599,669
Granted			1,116,101	1,569,676	2,665,921
Forfeited				(1,323,787)	(66,253)
Outstanding, Ending balance			3,961,658	2,845,557	2,599,669
Vested, Ending balance	3,538,672
Weighted Average Exercise Price Per Share (in whole dollars)
Outstanding, Beginning balance	$ 0.92	$ 0.92	$ 0.92	$ 0.92
Granted			0.92	0.92	$ 0.92
Forfeited			0.92	0.92	0.92
Outstanding, Ending balance	$ 0.92		$ 0.92	$ 0.92	$ 0.92
Weighted Average Remaining Contractual Term (Years)
Outstanding			8 years 5 months 16 days
Exercisable			0 years