Forfeited stock options percentage as Early Salary Reinstatement of award under share-based payment arrangement.

No definition available.

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- Definition

Forfeited stock options as Early Salary Reinstatement of award under share-based payment arrangement.

+ References

No definition available.

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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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

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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

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

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- Definition

Percentage of vesting of award under share-based payment arrangement.

+ References

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- Definition

Period from grant date that an equity-based award expires, 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
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5070-113901

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Incentive Compensation Plans, Stock Options (FY) (Details) - $ / shares	1 Months Ended	3 Months Ended	12 Months Ended
	Aug. 31, 2020	Sep. 30, 2020	Dec. 31, 2020	Sep. 30, 2021	Jun. 30, 2020	Dec. 31, 2018	Dec. 31, 2014
Stock Incentive Plan [Abstract]
Estimated exercise price of stock options, available for grant (in dollars per share)				$ 4.71
2014 Plan [Member]
Stock Incentive Plan [Abstract]
Number of common stock shares available for future issuance (in shares)						9,296,736
2014 Plan [Member] \| Maximum [Member]
Stock Incentive Plan [Abstract]
Number of common stock shares available for future issuance (in shares)							2,646,731
Stock Options [Member]
Stock Incentive Plan [Abstract]
Estimated exercise price of stock options, available for grant (in dollars per share)			$ 1.69
Stock Options [Member] \| 2014 Plan [Member]
Stock Incentive Plan [Abstract]
Vesting period			2 years
Requisite service period of award			10 years
Number of common stock shares available for future issuance (in shares)			455,670		1,822,318
Estimated exercise price of stock options, available for grant (in dollars per share)			$ 2.18
Forfeited stock options percentage as Early Salary Reinstatement	50.00%
Forfeited stock options as Early Salary Reinstatement (in shares)		693,227
Stock Options [Member] \| 2014 Plan [Member] \| Minimum [Member]
Stock Incentive Plan [Abstract]
Vesting period			2 years
Stock Options [Member] \| 2014 Plan [Member] \| Maximum [Member]
Stock Incentive Plan [Abstract]
Vesting period			4 years
Stock Options [Member] \| 2014 Plan [Member] \| Tranche One [Member]
Stock Incentive Plan [Abstract]
Vested percentage on six month anniversary of grant date			25.00%
Stock Options [Member] \| 2014 Plan [Member] \| Tranche Two [Member]
Stock Incentive Plan [Abstract]
Vested percentage on six month anniversary of grant date			25.00%
Stock Options [Member] \| 2014 Plan [Member] \| Tranche Three [Member]
Stock Incentive Plan [Abstract]
Vested percentage on six month anniversary of grant date			25.00%
Stock Options [Member] \| 2014 Plan [Member] \| Tranche Four [Member]
Stock Incentive Plan [Abstract]
Vested percentage on six month anniversary of grant date			25.00%