Note 12 - Leases (Details Textual) - USD ($) |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
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| Sublease Income | $ 509,000 | $ 433,000 | ||
| Operating Lease and Finance lease, Right-of-Use Asset | [1] | 514,000 | 716,000 | |
| Lease Liability, Current and Noncurrent Portion [Member] | ||||
| Operating Lease, Liability, Total | $ 561,000 | $ 800,000 | ||
| Real Estate Lease One [Member] | ||||
| Lessee, Operating Lease, Term of Contract (Month) | 76 months | |||
| Real Estate Lease Two [Member] | ||||
| Lessee, Operating Lease, Term of Contract (Month) | 42 months | |||
| Real Estate Lease Three [Member] | ||||
| Lessee, Operating Lease, Term of Contract (Month) | 37 months | |||
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| X | ||||||||||
- Definition Amount of lessee's right to use underlying asset under operating lease and finance lease. No definition available.
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| X | ||||||||||
- Definition Term of lessee's operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Present value of lessee's discounted obligation for lease payments from operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of sublease income excluding finance and operating lease expense. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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| X | ||||||||||
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| X | ||||||||||
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| X | ||||||||||
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