Note 13 - Consolidated Condensed Statements of Cash Flows Reclassifications (Details Textual) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Tires in Service Amortization	$ 43,480,000	$ 37,628,000
Net Cash Provided by (Used in) Investing Activities, Total	$ (36,632,000)	(6,736,000)
Reclassification Of Tires In Service Amortization And Operating Leases [Member]
Tires in Service Amortization		825,000
Net Cash Provided by (Used in) Investing Activities, Total		$ (825,000)

Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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