Other Assets, net (Details) (USD $)	Jan. 31, 2014		Oct. 31, 2013
Other Assets, Noncurrent [Abstract]
Long-term stack residual value	$ 4,136,000	[1]	$ 2,898,000	[1]
Debt issuance costs	1,024,000	[2]	1,721,000	[2]
Other	784,000	[3]	846,000	[3]
Other assets, net	5,944,000		5,465,000
Accumulated depreciation on long-term stacks	$ 2,400,000		$ 2,100,000

[1] In circumstances where the useful life of the module extends beyond the contractual term of the SA and the Company retains title for the module from the customer upon expiration or non-renewal of the SA, the cost of the module exchanges is recorded as a long term asset and is depreciated over its expected life. If the Company does not obtain rights to title from the customer, the cost of the module is expensed at the time of the module exchange. Accumulated depreciation was $2.4 million and $2.1 million for the periods ended January 31, 2014 and October 31, 2013, respectively.

[2] Represents the long-term portion of capitalized debt issuance costs relating to the convertible debt issuance which will be amortized over the five year term of the convertible notes.

[3] Includes security deposits and notes receivable.