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Consolidated Balance Sheets - USD ($)
$ in Thousands
Oct. 31, 2017
Oct. 31, 2016
Current assets:    
Cash and cash equivalents $ 49,294 $ 84,187
Restricted cash and cash equivalents - short-term 4,628 9,437
Accounts receivable, net of allowance for doubtful accounts of $79 and $193 as of October 31, 2017 and 2016, respectively 68,521 24,593
Inventories 74,496 73,806
Other current assets 6,571 10,181
Total current assets 203,510 202,204
Restricted cash and cash equivalents - long-term 33,526 24,692
Project assets noncurrent 73,001 47,111
Property, plant and equipment, net 43,565 36,640
Goodwill 4,075 4,075
Intangible assets 9,592 9,592
Other assets, net 16,517 16,415
Total assets 383,786 340,729
Current liabilities:    
Current portion of long-term debt 28,281 5,010
Accounts payable 42,616 18,475
Accrued liabilities 18,381 20,900
Deferred revenue 7,964 6,811
Preferred stock obligation of subsidiary 836 802
Total current liabilities 98,078 51,998
Long-term deferred revenue 18,915 20,974
Long-term preferred stock obligation of subsidiary 14,221 12,649
Long-term debt and other liabilities 63,759 80,855
Total liabilities 194,973 166,476
Stockholders’ equity    
Common stock ($0.0001 par value; 125,000,000 and 75,000,000 shares authorized as of October 31, 2017 and 2016, respectively; 69,492,816 and 35,174,424 shares issued and outstanding as of October 31, 2017 and 2016, respectively) 7 4
Additional paid-in capital 1,045,197 1,004,566
Accumulated deficit (943,533) (889,630)
Accumulated other comprehensive loss (415) (544)
Treasury stock, Common, at cost (88,861 and 21,527 shares as of October 31, 2017 and 2016, respectively) (280) (179)
Deferred compensation 280 179
Total stockholders’ equity 101,256 114,396
Total liabilities and stockholders’ equity 383,786 340,729
Preferred Stock Class B [Member]    
Current liabilities:    
Redeemable preferred stock 59,857 $ 59,857
Series C Preferred Stock [Member]    
Current liabilities:    
Redeemable preferred stock $ 27,700