Note B - Business Combinations (Details Textual) - Plateplus Inc. [Member] - USD ($) $ in Thousands		3 Months Ended
Apr. 30, 2022	Jun. 30, 2022
Business Combination, Consideration Transferred, Total	$ 76,500
Payments to Acquire Businesses, Gross	$ 71,700
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable		$ 4,784
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)	516,041	516,041
Goodwill, Ending Balance	$ 0
Selling, General and Administrative Expenses [Member]
Business Combination, Acquisition Related Costs		$ 800
ABL Facility [Member] \| JPMorgan Chase Bank N.A. [Member]
Business Combination, Consideration Transferred, Liabilities Incurred	$ 71,900

Number of shares of equity interests issued or issuable to acquire entity.

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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.

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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.

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Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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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.

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