Note 13 - Loss Per Common Share (Details Textual) - shares shares in Millions |
3 Months Ended | 9 Months Ended | |
|---|---|---|---|
Sep. 30, 2022 |
Sep. 30, 2022 |
Sep. 30, 2021 |
|
| Share-Based Payment Arrangement, Option [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 0.2 | 0.2 | |
| Warrant [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 16.2 | ||
| Restricted Stock [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 4.6 | 4.6 | |
| Restricted Stock and Restricted Stock Units [Member] | |||
| Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) | 2.3 | ||