CONDENSED CONSOLIDATED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (NET CAPITAL DEFICIENCY) (USD $) In Thousands, unless otherwise specified	Total	Common stock	Capital in excess of par value	Retained earnings (accumulated deficit)	Treasury stock
Balances at Sep. 30, 2012	$ (3,129)	$ 61	$ 640,047	$ (643,109)	$ (128)
Balances (in shares) at Sep. 30, 2012		61,146
Increase (Decrease) in Stockholders' Equity
Issuance of common stock, net of offering costs of $5,418	77,957	12	77,945
Issuance of common stock, net of offering costs (in shares)		11,500
Issuance of restricted stock, net of cancellations	0	0
Issuance of restricted stock, net of cancellations (in shares)		152
Issuance of common stock pursuant to employee stock purchase plan	609	0	609
Issuance of common stock pursuant to employee stock purchase plan (in shares)		83
Exercise of stock appreciation rights and restricted stock units	0	0
Exercise of stock appreciation rights and restricted stock units (in shares)		245
Stock-based compensation	1,267		1,267
Change in treasury shares held for deferred compensation plan obligations, at cost	0		293		(293)
Net loss for the nine months ended June 30, 2013	(3,116)			(3,116)
Balances at Jun. 30, 2013	$ 73,588	$ 73	$ 720,161	$ (646,225)	$ (421)
Balances (in shares) at Jun. 30, 2013		73,126