Note 10 - Revenue (Tables)

12 Months Ended

Mar. 31, 2019

Notes Tables

Disaggregation of Revenue [Table Text Block]

	Fiscal Year Ended March 31,
	2019		2018
Coil Segment:
Prime Coil		106,436,452		71,192,758
Non-standard Coil		16,867,632		17,719,898
Customer Owned Coil		1,251,394		1,220,148
		124,555,478		90,132,804
Tubular Segment:
Manufactured Pipe		45,689,886		21,239,983
Mill Reject Pipe		16,072,129		7,708,697
Pipe Finishing Services		837,000		2,075,794
		62,599,015		31,024,474