SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES, Unearned Revenue (Q1) (Details) - USD ($) |
3 Months Ended | 12 Months Ended |
---|---|---|
Mar. 31, 2024 |
Dec. 31, 2023 |
|
Accounting Policies [Abstract] | ||
Unearned revenue recognized | $ 695,900 | $ 386,900 |
Deferred revenue reorganization period | 12 months | 12 months |