Consolidated Statements of Stockholders' Equity (USD $)	Total		Common Stock	Additional Paid-in Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings
Beginning balance at Sep. 30, 2010	$ 190,225,000		$ 2,634,000	$ 90,406,000	$ 4,000	$ 97,181,000
Beginning balance, Shares at Sep. 30, 2010			7,902,106
Net income (loss)	(3,246,000)					(3,246,000)
Realization of losses on investment, net of tax	(4,000)				(4,000)
Tax deficit resulting from share-based compensation	(453,000)			(453,000)
Stock-based compensation expense	1,485,000			1,485,000
Issuance of common stock as compensation (Shares)			6,479
Issuance of common stock as compensation	186,000		2,000	184,000
Forfeiture of restricted stock awards (Shares)			(4,000)
Forfeiture of restricted stock awards	(1,000)		(1,000)
Shares exchanged for taxes on stock-based compensation (In Shares)			(9,400)
Shares exchanged for taxes on stock-based compensation	(326,000)		(3,000)	(323,000)
Exercise of stock options (Shares)			15,700
Exercise of stock options	297,000		5,000	292,000
Ending balance at Sep. 30, 2011	188,163,000		2,637,000	91,591,000		93,935,000
Ending balance, Shares at Sep. 30, 2011			7,910,885
Net income (loss)	11,113,000	[1]				11,113,000
Stock-based compensation expense	1,245,000			1,245,000
Issuance of common stock as compensation (Shares)			7,234
Issuance of common stock as compensation	244,000		3,000	241,000
Exercise of stock options (Shares)			9,750
Exercise of stock options	184,000		3,000	181,000
Issuance of restricted stock awards and unearned compensation (Shares)			103,500
Issuance of restricted stock awards and unearned compensation			34,000	(34,000)
Ending balance at Sep. 30, 2012	200,949,000		2,677,000	93,224,000		105,048,000
Ending balance, Shares at Sep. 30, 2012			8,031,369
Net income (loss)	10,480,000					10,480,000
Stock-based compensation expense	1,394,000			1,394,000
Issuance of common stock as compensation (Shares)			14,484
Issuance of common stock as compensation	403,000		5,000	398,000
Forfeiture of restricted stock awards (Shares)			(900)
Shares exchanged for taxes on stock-based compensation (In Shares)			(20,160)
Shares exchanged for taxes on stock-based compensation	(774,000)		(7,000)	(767,000)
Exercise of stock options (Shares)	32,150		32,150
Exercise of stock options	608,000		11,000	597,000
Ending balance at Sep. 30, 2013	$ 213,060,000		$ 2,686,000	$ 94,846,000		$ 115,528,000
Ending balance, Shares at Sep. 30, 2013			8,056,943

[1] The 2012 earnings per share calculations have been adjusted for the two-class method to reflect restricted shares that were not reflected as participating in the prior period. Basic earnings per share as previously reported for year ended September 30, 2012 was $1.42. Diluted earnings per share as previously reported for the year-ended September 30, 2012 was $1.40. Basic weighted average shares outstanding as previously reported for the year ended September 30, 2012 was 7,841,722. Diluted weighted average shares outstanding as previously reported for the year ended September 30, 2012 was 7,931,593. The impact on all prior period financial statements is deemed immaterial.