Note 9 - Operating Lease (Details Textual) |
12 Months Ended |
|---|---|
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Dec. 31, 2020
USD ($)
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| Lessee, Operating Lease, Discount Rate | 9.00% |
| Operating Lease, Cost | $ 66,000 |
| Variable Lease, Cost | $ 53,000 |
| X | ||||||||||
- Definition Discount rate used by lessee to determine present value of operating lease payments. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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