Debt and Leases (Details) (USD $)	12 Months Ended
	Oct. 31, 2014	Oct. 31, 2013	Jun. 25, 2013
Debt Instrument [Line Items]
Line of Credit Facility, Amount Outstanding	$ 945,000	$ 6,500,000
Convertible Debt	0	38,000,000	38,000,000
Capital Lease Obligations	721,000	497,000
Debt, Long-term and Short-term, Combined Amount	10,751,000	53,987,000
Debt Instrument, Unamortized Discount	0	3,106,000
Long-term Debt	10,751,000	50,881,000
Long-term Debt, Current Maturities	1,439,000	6,931,000
Long-term Debt, Excluding Current Maturities	9,312,000	43,950,000
Long-term Debt and Capital Lease Obligations, Repayments of Principal in Next Twelve Months	493,000
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Two	537,000
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three	351,000
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four	2,368,000
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five	5,000
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal after Year Five	6,052,000
Debt and Capital Leases, Future Minimum Payments Due	9,806,000
Common stock issued to settle make-whole obligation, shares	5,514,272
Line of Credit Facility, Maximum Borrowing Capacity	4,000,000
Debt Conversion, Original Debt, Amount	38,000,000
Stock Issued During Period, Shares, Conversion of Convertible Securities	24,500,000
embedded derivative cash payment	300,000
Common stock issued to settle make-whole obligation, value		600,000
Embedded Derivative, Loss on Embedded Derivative	8,700,000
Embedded Derivative, No Longer Bifurcated, Amount Reclassified to Stockholders' Equity	4,600,000
London Interbank Offered Rate (LIBOR) [Member]
Debt Instrument [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	1.50%
NRG Energy [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	40,000,000
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Maximum	8.50%
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum	8.00%
Parent [Member]
Debt Instrument [Line Items]
Common stock issued to settle make-whole obligation, value	$ 12,900,000