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Income Taxes - Deferred Tax Assets (Details) (USD $) In Thousands, unless otherwise specified | Sep. 30, 2013 | Sep. 30, 2012
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Income Taxes [Abstract] |  |
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Allowance for Doubtful Accounts | $ 370 | $ 675
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities | 7,023 | 6,254
Deferred Tax Assets, Operating Loss Carryforwards | 110,259 | 106,004
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Other | 1,022 | 1,085
Deferred Tax Assets Investments | 235 | 292
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost | 2,732 | 2,757
Deferred Tax Assets, Capital Loss Carryforwards | 4,100 | 3,909
Deferred Tax Assets Property Plant And Equipment | 0 | 397
Deferred Tax Assets, Other | 2,334 | 1,651
Deferred Tax Assets, Gross | 128,075 | 123,024
Deferred Tax Assets, Valuation Allowance | (126,500) | (121,962)
Deferred Tax Assets, Net | 1,575 | 1,062
Deferred Tax Liabilities, Property, Plant and Equipment | (570) | 0
Deferred Tax Liabilities, Other | (123) | (196)
Deferred Income Tax Liabilities | (693) | (196)
Deferred Tax Assets (Liabilities), Net | $ 882 | $ 866

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible capital loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 + Details
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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32621-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32632-109319 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 25 -Paragraph 20 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=29652012&loc=d3e28680-109314 + Details
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