CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Balance at Sep. 30, 2011	$ 22,242,042	$ 7,696	$ 15,896,755	$ 297,566	$ 7,026,367	$ (986,342)
Balance (in shares) at Sep. 30, 2011		15,393,053				810,160
Issuance of shares of common stock under employee stock purchase plan	63,122	24	63,098	0	0	0
Issuance of shares of common stock under employee stock purchase plan (in shares)		47,440				0
Stock-based compensation costs	935,396	29	935,367	0	0	0
Stock-based compensation costs (in shares)		57,592				0
Exercise of options by director to purchase common stock	0	21	(21)	0	0	0
Exercise of options by director to purchase common stock (in shares)		41,205				0
Expiration of put shares	142,454	35	142,419	0	0	0
Expiration of put shares (in shares)		71,227				0
Adjustment for increase in pension liability, net of tax	(345,443)	0	0	(345,443)	0	0
Foreign currency translation adjustment	109,783	0	0	109,783	0	0
Net loss	(4,303,766)	0	0	0	(4,303,766)	0
Balance at Sep. 30, 2012	18,843,588	7,805	17,037,618	61,906	2,722,601	(986,342)
Balance (in shares) at Sep. 30, 2012		15,610,517				810,160
Issuance of shares of common stock under employee stock purchase plan	21,009	14	20,995	0	0	0
Issuance of shares of common stock under employee stock purchase plan (in shares)		28,622				0
Stock-based compensation costs	417,683	293	417,390	0	0	0
Stock-based compensation costs (in shares)		585,263				0
Adjustment for increase in pension liability, net of tax	92,513	0	0	92,513	0	0
Foreign currency translation adjustment	(1,734)	0	0	(1,734)	0	0
Net loss	(8,727,171)	0	0	0	(8,727,171)	0
Balance at Sep. 30, 2013	$ 10,645,888	$ 8,112	$ 17,476,003	$ 152,685	$ (6,004,570)	$ (986,342)
Balance (in shares) at Sep. 30, 2013		16,224,402				810,160