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Note 2 - Business Acquisition (Details Textual) - USD ($) |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 01, 2022 | Apr. 30, 2022 | Feb. 28, 2022 | Feb. 25, 2022
Bank of America, N.A. [Member] |  |  |  |
Debt Instrument, Face Amount |  |  | $ 17,000,000.0 | $ 17,000,000
Microlab/FXR LLC [Member] |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired | 100.00% |  |  |
Business Combination, Consideration Transferred, Total | $ 24,250,000 |  |  |
Microlab/FXR LLC [Member] | Selling, General and Administrative Expenses [Member] |  |  |  |
Business Combination, Acquisition Related Costs |  | $ 1,200,000 |  |
Microlab/FXR LLC [Member] | Minimum [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 1 year |  |  |
Microlab/FXR LLC [Member] | Maximum [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 10 years |  |  |

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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI https://asc.fasb.org/extlink&oid=123586518&loc=d3e1043-128460 + Details
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- Definition Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 8 -URI https://asc.fasb.org/extlink&oid=126966197&loc=d3e6613-128477 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126975305&loc=d3e6927-128479 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 30 -Paragraph 7 -URI https://asc.fasb.org/extlink&oid=126966197&loc=d3e6578-128477 + Details
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