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Note 16 - Commitments (Tables) | 12 Months Ended
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Dec. 31, 2020
Notes Tables |
Lessee, Operating Lease, Assets and Liabilities [Table Text Block] |
Assets |  | As of December 31, 2020 |  |  | As of December 31, 2019 |
Operating lease right-of-use assets |  | $ | 1,630,000 |  |  | $ | 2,176,000 |
Accumulated amortization |  |  | (1,268,000 | ) |  |  | (1,130,000 | )
Net lease assets |  | $ | 362,000 |  |  | $ | 1,046,000 |
Liabilities |  |  |  |  |  |  |  |
Current |  |  |  |  |  |  |  |
Operating |  | $ | 318,000 |  |  | $ | 658,000 |
Noncurrent |  |  |  |  |  |  |  |
Operating |  |  | 44,000 |  |  |  | 388,000 |
Total lease liabilities |  | $ | 362,000 |  |  | $ | 1,046,000 |
Weighted average remaining term (years) – operating leases |  |  | 2 |  |  |  | 2 |
Weighted average discount rate – operating leases |  |  | 11.25 | % |  |  | 11.25 | %
Lease, Cost [Table Text Block] |
|  | Year ended December 31 |
|  | 2020 |  |  | 2019 |
Operating right-of-use lease asset amortization |  | $ | 650,000 |  |  | $ | 1,130,000 |
Financing lease asset amortization |  |  | - |  |  |  | - |
Related interest expense |  |  | - |  |  |  | - |
Total expense during twelve months |  | $ | 650,000 |  |  | $ | 1,130,000 |
Lessee, Operating Lease, Liability, Maturity [Table Text Block] |
(in thousands) |  | 12/31/2020 |
2021 |  | $ | 415 |
2022 and thereafter |  |  | 57 |
Total lease payments |  |  | 472 |
less: Imputed interest |  | $ | (110 | )
Present value of lease liabilities |  | $ | 362 |

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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918686-209980 + Details
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- Definition Tabular disclosure of undiscounted cash flows of lessee's operating lease liability. Includes, but is not limited to, reconciliation of undiscounted cash flows to operating lease liability recognized in statement of financial position. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=121609121&loc=SL77918701-209980 + Details
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