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Consolidated Balance Sheets (Unaudited) - USD ($)
$ in Thousands
Jan. 31, 2018
Oct. 31, 2017
Current assets:    
Cash and cash equivalents, unrestricted $ 76,776 $ 49,294
Restricted cash and cash equivalents - short-term 5,230 4,628
Accounts receivable, net 44,081 68,521
Inventories 59,868 74,496
Other current assets 7,567 6,571
Total current assets 193,522 203,510
Restricted cash and cash equivalents - long-term 33,425 33,526
Project assets 75,754 73,001
Property, plant and equipment, net 44,093 43,565
Goodwill 4,075 4,075
Intangible asset 9,592 9,592
Other assets 14,413 16,517
Total assets 374,874 383,786
Current liabilities:    
Current portion of long-term debt 23,513 28,281
Accounts payable 37,829 42,616
Accrued liabilities 21,513 18,381
Deferred revenue 10,429 7,964
Preferred stock obligation of subsidiary 865 836
Total current liabilities 94,149 98,078
Long-term deferred revenue 18,364 18,915
Long-term preferred stock obligation of subsidiary 15,012 14,221
Long-term debt and other liabilities 60,297 63,759
Total liabilities 187,822 194,973
Stockholders’ equity:    
Common stock ($0.0001 par value); 225,000,000 and 125,000,000 shares authorized as of January 31, 2018 and October 31, 2017, respectively; 77,602,110 and 69,492,816 shares issued and outstanding as of January 31, 2018 and October 31, 2017, respectively 8 7
Additional paid-in capital 1,055,154 1,045,197
Accumulated deficit (947,716) (943,533)
Accumulated other comprehensive loss (382) (415)
Treasury stock, Common, at cost (88,861 shares as of January 31, 2018 and October 31, 2017) (280) (280)
Deferred compensation 280 280
Total stockholders’ equity 107,064 101,256
Total liabilities and stockholders' equity 374,874 383,786
Series B Preferred Stock [Member]    
Current liabilities:    
Redeemable preferred stock 59,857 59,857
Series C Preferred Stock [Member]    
Current liabilities:    
Redeemable preferred stock $ 20,131 $ 27,700