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Note 6 - Discontinued Operations (Details Textual) - Master-Bilt and NorLake Segments [Member] - Discontinued Operations [Member] - Ten Oaks Group [Member] - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2021	Jun. 30, 2020
Disposal Group, Including Discontinued Operation, Cash Purchase Price	$ 10.6
Disposal Group, Including Discontinued Operation, Assets, Total		$ 0.4	$ 2.3

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- Definition

Amount of cash to be received for the disposal of assets and liabilities, including discontinued operation.

+ References

No definition available.

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of.

+ References

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