Note 5 - Long-term Debt - Schedule of Long-term Debt (Details) (Parentheticals) - First Lien Credit Facilities [Member] - USD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| Term Loan [Member] | ||
| Unamortized discount and costs | $ 4.0 | $ 6.1 |
| Term Loan [Member] | London Interbank Offered Rate (LIBOR) [Member] | ||
| Interest rate | 4.50% | 3.50% |
| Incremental Term Loans [Member] | ||
| Interest rate | 14.00% | 13.00% |
| Unamortized discount and costs | $ 5.6 | $ 7.8 |