Statements Of Operations - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Income Statement [Abstract]
Revenues	$ 62,065	$ 53,382
Cost of goods sold-non hedging	57,044	53,516
Gain (Loss) on Derivative Instruments Held for Trading Purposes, Net	(417)	(496)
Cost of Goods and Services Sold	56,627	53,020
Gross Margin	5,438	362
General and administrative expenses	1,244	1,502
Operating Income	4,194	(1,140)
Other Income (Expense)
Other (Income) Expense	341	169
Net Income (Loss) Available to Common Stockholders, Basic	$ 3,853	$ (1,309)