Income Taxes (Details 4) (USD $)	Sep. 30, 2013	Sep. 30, 2012
Deferred tax assets:
Foreign loss carryforwards	$ 265,000	$ 269,000
U.S. and state NOL carryforward	111,947,000	111,283,000
AMT credit carryforwards	75,588,000	75,588,000
Gross deferred tax assets	187,800,000	187,140,000
Less: valuation allowance	(187,800,000)	(187,140,000)
Net deferred tax assets	0	0
Valuation allowance to offset deferred tax asset
Valuation allowance	187,800,000	187,140,000
Net operating losses	314,673,000
Federal
Valuation allowance to offset deferred tax asset
Net operating losses	106,988,000
Domestic state
Valuation allowance to offset deferred tax asset
Net operating losses	4,959,000
Foreign
Valuation allowance to offset deferred tax asset
Net operating losses	1,001,000
Foreign net operating loss carryforwards
Deferred tax assets:
Less: valuation allowance	(265,000)
Valuation allowance to offset deferred tax asset
Valuation allowance	265,000
AMT credit carryforwards
Deferred tax assets:
Less: valuation allowance	(75,588,000)
Valuation allowance to offset deferred tax asset
Valuation allowance	$ 75,588,000