CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Preferred Stock [Member]	Preferred Stock [Member] Series C [Member]	Common Stock [Member]	Common Stock [Member] Series C [Member]	Paid-in Capital [Member]	Paid-in Capital [Member] Series C [Member]	Treasury Stock [Member]	Treasury Stock [Member] Series C [Member]	Retained Earnings [Member]	Retained Earnings [Member] Series C [Member]	Total	Series C [Member]
Balance at Sep. 30, 2017	$ 0		$ 1		$ 12,312		$ (240)		$ (854)		$ 11,219
Balance (in shares) at Sep. 30, 2017	35,476		573,951				20,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	$ 0		$ 0		0		$ 0		(37)		(37)
Issuance of Series C preferred stock		$ 0		$ 0		$ 1,500		$ 0		$ 0		$ 1,500
Issuance of Series C preferred stock (in shares)		3,000		0				0
Dividends to preferred stockholders	0		0		(197)		0		0		(197)
Stock-based compensation	0		0		296		0		0		296
Stock option exercise	0		$ 0		45		0		0		45
Stock option exercise (in shares)			14,000
Balance at Mar. 31, 2018	$ 0		$ 1		13,956		$ (240)		(891)		12,826
Balance (in shares) at Mar. 31, 2018	38,476		587,951				20,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of change in accounting principle	$ 0		$ 0		0		$ 0		32		32
Balance at Sep. 30, 2018	$ 0		$ 1		15,872		$ (240)		(606)		15,027
Balance (in shares) at Sep. 30, 2018	21,271		837,951				20,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net Income (Loss)	$ 0		$ 0		0		$ 0		719		719
Dividends to preferred stockholders	0		0		(270)		0		0		(270)
Vested restricted stock unissued	0		0		(236)		0		0		(236)
Stock-based compensation	0		0		172		0		0		172
Stock option exercise	0		$ 0		5		0		0		5
Stock option exercise (in shares)			1,500
Balance at Mar. 31, 2019	$ 0		$ 1		$ 15,543		$ (240)		$ 145		$ 15,449
Balance (in shares) at Mar. 31, 2019	21,271		839,451				20,000