Note 8 - Industry Segment Data (Tables)

12 Months Ended

Mar. 31, 2018

Notes Tables

Schedule of Segment Reporting Information, by Segment [Table Text Block]

	Year Ended March 31
	2018			2017
NET SALES:
Coil	$	90,132,804		$	64,641,805
Tubular		31,024,474			13,114,250
TOTAL NET SALES	$	121,157,278		$	77,756,055
OPERATING PROFIT (LOSS):
Coil	$	4,026,329		$	(770,091	)
Tubular		2,024,035			(1,438,088	)
TOTAL OPERATING PROFIT (LOSS)		6,050,364			(2,208,179	)
General corporate expenses		(1,980,124	)		(2,001,642	)
Interest expense		(27,846	)		—
Interest and other income		24,900			59,005
TOTAL EARNINGS (LOSS) BEFORE INCOME TAXES	$	4,067,294		$	(4,150,816	)
IDENTIFIABLE ASSETS:
Coil	$	27,068,602		$	21,832,790
Tubular		43,010,190			37,298,800
		70,078,792			59,131,590
General corporate assets		4,284,413			4,131,707
TOTAL ASSETS	$	74,363,205		$	63,263,297
DEPRECIATION:
Coil	$	570,819		$	1,208,446
Tubular		779,590			378,077
Corporate and other		5,938			7,883
	$	1,356,347		$	1,594,406
CAPITAL EXPENDITURES:
Coil	$	35,720		$	75,889
Tubular		306,310			715,973
Corporate and other		7,154			7,469
	$	349,184		$	799,331