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Note L - Litigation (Details Textual) - The Violations under the Fair Labor Standards Act and the Arkansas Minimum Wage [Member] - USD ($)	6 Months Ended
	Jun. 30, 2020	Feb. 18, 2020
Loss Contingency, Estimate of Possible Loss		$ 16,500,000
Litigation Settlement, Amount Awarded to Other Party	$ 421,000
Accrued Expenses and Other Liabilities [Member]
Loss Contingency Accrual, Ending Balance	$ 16,500,000

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-Topic 450
-SubTopic 20
-Section 50
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