CONDENSED CONSOLIDATED STATEMENTS of CHANGES in STOCKHOLDERS' EQUITY - USD ($)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings/ (Accumulated Deficit) [Member]	Treasury Stock, at cost [Member]
Beginning Balance at Sep. 30, 2015	$ 8,688,000	$ 112,000	$ 45,845,000	$ (35,740,000)	$ (1,529,000)
Net income (loss)	3,004,000			3,004,000
Stock-based compensation	162,000		162,000
Restricted (non-vested) stock grants, net of forfeitures	0	1,000	(1,000)
Employee stock plan purchases	7,000		7,000
Return of incentive compensation shares	(60,000)				(60,000)
Ending Balance at Apr. 01, 2016	11,801,000	113,000	46,013,000	(32,736,000)	(1,589,000)
Beginning Balance at Sep. 30, 2016	13,864,000	113,000	46,294,000	(30,954,000)	(1,589,000)
Net income (loss)	(1,468,000)			(1,468,000)
Stock-based compensation	252,000		252,000
Restricted (non-vested) stock grants, net of forfeitures	1,000	1,000	0
Employee stock plan purchases	13,000		13,000
Return of incentive compensation shares	(60,000)
Shares withheld for payment of taxes upon vesting of restricted stock	(2,000)		(2,000)
Ending Balance at Mar. 31, 2017	$ 12,660,000	$ 114,000	$ 46,557,000	$ (32,422,000)	$ (1,589,000)