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Commitments and Contingencies, Operating Leases (FY) (Details) - USD ($) $ in Thousands | 5 Months Ended | 7 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 10, 2020 | Dec. 31, 2020 | Dec. 31, 2021 | Dec. 31, 2019
Operating Leases [Abstract] |  |  |  |
Rent expense | $ 634 | $ 731 | $ 1,209 | $ 1,508
Sublease expiration date |  |  | Oct. 31, 2023 |
Sublease expiration date, option to extend |  |  | Apr. 29, 2026 |
Sublease income |  | $ 119 | $ 656 |
Future Minimum Lease Commitments [Abstract] |  |  |  |
2022 |  |  | 1,508 |
2023 |  |  | 1,696 |
2024 |  |  | 1,746 |
2025 |  |  | 1,799 |
Thereafter |  |  | 605 |
Future minimum lease commitments |  |  | $ 7,354 |

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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease due after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References No definition available. + Details
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI https://asc.fasb.org/extlink&oid=128292326&loc=SL77918701-209980 + Details
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