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Note 2 - Revenues (Details Textual) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2022
Revenue from Contract with Customer, Including Assessed Tax	$ 41,844	$ 32,728	$ 154,735
Transferred over Time [Member] | Gearing [Member]
Revenue from Contract with Customer, Including Assessed Tax		172
Transferred over Time [Member] | Heavy Fabrications [Member]
Revenue from Contract with Customer, Including Assessed Tax	$ 2,471	$ 1,256

X

- Definition

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

+ References

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