Consolidated Statements of Shareholders' Equity (Unaudited) - USD ($)	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Sep. 30, 2018	1,805,053	(424,307)
Balance at Sep. 30, 2018	$ 18,000	$ (4,000)	$ 1,755,000	$ 45,361,000	$ 115,786,000	$ 162,916,000
Adoption of new accounting pronouncement at Sep. 30, 2018				115,786,000	(115,786,000)
Net loss				(21,533,000)		(21,533,000)
Balance (in shares) at Dec. 31, 2018	1,805,053	(424,307)
Balance at Dec. 31, 2018	$ 18,000	$ (4,000)	1,755,000	139,614,000		141,383,000
Balance (in shares) at Sep. 30, 2019	1,805,053	(424,307)
Balance at Sep. 30, 2019	$ 18,000	$ (4,000)	1,755,000	135,931,000		137,700,000
Net loss				14,210,000		14,210,000
Balance (in shares) at Dec. 31, 2019	1,805,053	(424,307)
Balance at Dec. 31, 2019	$ 18,000	$ (4,000)	$ 1,755,000	$ 150,141,000		$ 151,910,000