Income Taxes - Deferred Tax Assets (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Sep. 30, 2013
Deferred Tax Assets:
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts	$ 295	$ 370
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities	8,171	7,023
Deferred Tax Assets, Operating Loss Carryforwards	107,072	110,259
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other	1,363	1,022
Deferred Tax Assets Investments	200	235
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost	419	2,732
Deferred Tax Assets, Capital Loss Carryforwards	3,976	4,100
Deferred Tax Assets Goodwill And Intangible Assets	1,071	683
Deferred Tax Assets, Other	1,268	1,651
Deferred Tax Assets, Gross	123,835	128,075
Deferred Tax Assets, Valuation Allowance	121,878	126,500
Deferred Tax Assets, Net	1,957	1,575
Deferred Tax Liabilities:
Deferred Tax Liabilities, Property, Plant and Equipment	608	570
Deferred Tax Liabilities Goodwill And Intangible Assets	827	0
Deferred Tax Liabilities, Other	219	123
Deferred Income Tax Liabilities, total	1,654	693
Deferred Tax Assets (Liabilities), Net	$ 303	$ 882