Condensed Statements Of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Statement of Cash Flows [Abstract]
Interest Paid, Excluding Capitalized Interest, Operating Activities	$ 278	$ 187
Cash Flows From Operating Activities
Net Income (Loss) Available to Common Stockholders, Basic	3,853	(1,309)
Adjustments to reconcile net (loss) to net cash provided by operating activities:
Depreciation	2,602	2,578
Amortization	24	18
(Increase) decrease in current assets:
Accounts receivable	2,438	2,763
Inventories	2,249	(124)
Prepaid expenses and other	(1,111)	(428)
Increase (Decrease) in Derivative Assets	(53)	651
Increase (decrease) in current liabilities:
Accounts payable	6,016	6,460
Derivative Liability	(120)	(991)
Accrued expenses	203	(459)
Increase (Decrease) in Other Noncurrent Liabilities	576	95
Net Cash Provided by (Used in) Operating Activities	16,677	9,254
Cash Flows From Investing Activities
Purchase of property and equipment	(2,426)	(424)
Net Cash Provided by (Used in) Investing Activities	(2,426)	(424)
Cash Flows From Financing Activities
Payments of Financing Costs	(205)	0
Decrease (Increase) in Put Warrant Liability	(6,037)	0
Proceeds from notes payable	(103,731)	(22,876)
Payments on borrowings	(88,733)	(32,104)
Payments for Repurchase of Common Stock	(23,059)	0
Net cash (used in) financing activities	(14,303)	(9,228)
Cash and Cash Equivalents, Period Increase (Decrease)	(52)	(398)
Cash And Equivalents-Beginning	1,075	1,440
Cash And Equivalents-Ending	1,023	1,042
Supplemental Cash Flow Information [Abstract]
increase (decrease) of right to use lease liability	$ 9,684	$ 0