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Note 10 - Leases (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Schedule of Lease Quantitative Disclosure [Table Text Block] |
|  | Year Ended December 31, |
|  | 2020 |  |  | 2019 |
Components of lease cost |  |  |  |  |  |  |  |
Finance lease cost components: |  |  |  |  |  |  |  |
Amortization of finance lease assets |  | $ | 619 |  |  | $ | 560 |
Interest on finance lease liabilities |  |  | 210 |  |  |  | 106 |
Total finance lease costs |  |  | 829 |  |  |  | 666 |
Operating lease cost components: |  |  |  |  |  |  |  |
Operating lease cost |  |  | 2,939 |  |  |  | 3,017 |
Short-term lease cost |  |  | 648 |  |  |  | 629 |
Variable lease cost (1) |  |  | 992 |  |  |  | 783 |
Sublease income |  |  | (183 | ) |  |  | (165 | )
Total operating lease costs |  |  | 4,396 |  |  |  | 4,264 |
Total lease cost |  | $ | 5,225 |  |  | $ | 4,930 |
Supplemental cash flow information related to our operating leases is as follows for the twelve months ended December 31, 2020 and 2019: |  |  |  |  |  |  |  |
Cash paid for amounts included in the measurement of lease liabilities: |  |  |  |  |  |  |  |
Operating cash outflow from operating leases |  | $ | 3,551 |  |  | $ | 3,505 |
Right-of-use assets obtained in exchange for new |  |  |  |  |  |  |  |
operating lease liabilities |  | $ | 4,777 |  |  | $ | 17,613 |
Weighted-average remaining lease term-finance leases at end of period (in years) |  |  | 1.7 |  |  |  | 1.1 |
Weighted-average remaining lease term-operating leases at end of period (in years) |  |  | 9.8 |  |  |  | 10.8 |
Weighted-average discount rate-finance leases at end of period |  |  | 8.3 | % |  |  | 8.4 | %
Weighted-average discount rate-operating leases at end of period |  |  | 8.7 | % |  |  | 9.0 | %
Finance and Operating Lease Liability Maturity [Table Tex tBlock] |
|  | Finance |  |  | Operating |  |  |  |  |
|  | Leases |  |  | Leases |  |  | Total |
2021 |  | $ | 1,665 |  |  | $ | 3,655 |  |  | $ | 5,320 |
2022 |  |  | 1,335 |  |  |  | 3,185 |  |  |  | 4,520 |
2023 |  |  | 666 |  |  |  | 3,073 |  |  |  | 3,739 |
2024 |  |  | 90 |  |  |  | 2,906 |  |  |  | 2,996 |
2025 |  |  | 49 |  |  |  | 3,015 |  |  |  | 3,064 |
2026 and thereafter |  |  | — |  |  |  | 17,105 |  |  |  | 17,105 |
Total lease payments |  |  | 3,805 |  |  |  | 32,939 |  |  |  | 36,744 |
Less—portion representing interest |  |  | (382 | ) |  |  | (11,538 | ) |  |  | (11,920 | )
Present value of lease obligations |  |  | 3,423 |  |  |  | 21,401 |  |  |  | 24,824 |
Less—current portion of lease obligations |  |  | (1,427 | ) |  |  | (1,832 | ) |  |  | (3,259 | )
Long-term portion of lease obligations |  | $ | 1,996 |  |  | $ | 19,569 |  |  | $ | 21,565 |

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