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Note 12 - Debt (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Schedule Of Outstanding Letters Of Credit [Table Text Block] |
|  |  | L/C |  | Lease |  | Letters of Credit Amount Outstanding |
Facility | Original L/C Issue Date |  | Expiration Date |  | Expiration Date |  | June 30, 2022 |  |  | Dec. 31, 2021 |
Mt. Laurel, NJ | 3/29/2010 |  | 4/30/2023 |  | 4/30/2031 |  | $ | 50 |  |  | $ | 50 |
Mansfield, MA | 10/27/2010 |  | 12/31/2024 |  | 12/31/2024 |  |  | 50 |  |  |  | 50 |
|  |  |  |  |  |  | $ | 100 |  |  | $ | 100 |
Schedule of Maturities of Long-Term Debt [Table Text Block] |
2022 (remainder) |  | $ | 2,192 |
2023 |  |  | 4,100 |
2024 |  |  | 4,100 |
2025 |  |  | 4,100 |
2026 |  |  | 3,700 |
|  | $ | 18,192 |

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