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Note 10 - Lease Obligations | 12 Months Ended
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Dec. 31, 2021
Notes to Financial Statements |
Lessee, Operating Leases [Text Block] | Note 10 — Lease Obligations The Company leases certain assets under operating leases, which primarily consisted of real estate leases, laboratory equipment leases and office equipment leases as of December 31, 2021. Renewal options for our leases range from 1 to 5 years in length and begin from 2023 through 2026. The weighted average lease term for the Company’s operating leases was 9.2 years. The weighted average discount rate for the Company’s operating leases was 11.2%. Aggregate lease expense under operating leases was $1,795 and $1,754 for the years ended December 31, 2021 and 2020, respectively. All of the Company’s leases qualify as operating leases. The following table summarizes the presentation in the consolidated balance sheets of the Company’s operating leases:
| Balance Sheet Location |  | 2021 |  |  | 2020 |
Assets: |  |  |  |  |  |  |  |  |
Operating lease assets, net | Other Assets |  | $ | 6,472 |  |  | $ | 3,802 |
Liabilities: |  |  |  |  |  |  |  |  |
Current operating lease liabilities | Lease financing obligation – current liabilities |  | $ | 1,819 |  |  | $ | 1,179 |
Non-current operating lease liabilities | Lease financing obligation – long-term liabilities |  |  | 5,962 |  |  |  | 3,871 |
Total operating lease liabilities |  | $ | 7,781 |  |  | $ | 5,050 |
Operating lease assets are recorded net of accumulated amortization of $2,626 and $2,641 as of December 31, 2021 and 2020, respectively. Cash paid for amounts included in the measurement of lease liabilities was $1,615 and $1,696 for the years ended December 31, 2021 and 2020, respectively. Maturities of operating lease liabilities as of December 31, 2021, are as follows (in thousands):
2022 |  | $ | 2,099 |
2023 |  |  | 1,870 |
2024 |  |  | 1,321 |
2025 |  |  | 1,060 |
2026 |  |  | 593 |
Thereafter |  |  | 6,734 |
Total lease payments |  |  | 13,677 |
Less imputed interest |  |  | (5,896 | )
Total |  | $ | 7,781 |

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- Definition The entire disclosure for operating leases of lessee. Includes, but is not limited to, description of operating lease and maturity analysis of operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=77888251 + Details
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