Note 4 - Goodwill and Purchased Intangibles (Details Textual) - USD ($) |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Jun. 30, 2022 |
Jun. 30, 2021 |
Jun. 30, 2022 |
Jun. 30, 2021 |
Dec. 31, 2021 |
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| Goodwill, Ending Balance | $ 411,183 | $ 411,183 | $ 411,183 | ||
| Amortization of Intangible Assets | $ 32,590 | $ 35,736 | $ 71,478 | $ 71,740 | |
| Minimum [Member] | |||||
| Finite-Lived Intangible Asset, Useful Life (Year) | 1 year | ||||
| Maximum [Member] | |||||
| Finite-Lived Intangible Asset, Useful Life (Year) | 20 years | ||||
| X | ||||||||||
- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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| X | ||||||||||
- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
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| X | ||||||||||
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