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Note K - Revenue - Disaggregation of Revenue (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Net Sales	$ 149,692,409	$ 92,570,895	$ 311,495,499	$ 158,487,334
Coil [Member]
Net Sales	129,722,213	78,323,927	272,599,185	131,018,657
Coil [Member] | Prime Coil [Member]
Net Sales	128,502,733	74,928,149	269,483,087	124,507,742
Coil [Member] | Secondary Coil [Member]
Net Sales	891,625	3,028,787	2,422,931	5,851,990
Coil [Member] | Customer Owned [Member]
Net Sales	327,855	366,991	693,167	658,925
Tubular [Member]
Net Sales	19,970,196	14,246,968	38,896,314	27,468,677
Tubular [Member] | Manufactured Pipe [Member]
Net Sales	19,970,196	11,376,626	38,442,294	20,983,436
Tubular [Member] | Mill Reject Pipe [Member]
Net Sales	$ 0	$ 2,870,342	$ 454,020	$ 6,485,241

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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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