Supplemental Cash Flow Information (Tables)

12 Months Ended

Oct. 31, 2016

Supplemental Cash Flow Information [Abstract]

Schedule of Cash Flow, Supplemental Disclosures [Table Text Block]

The following represents supplemental cash flow information (dollars in thousands):

	Year Ended October 31,
	2016		2015		2014
Cash interest paid	$	1,941	$	677	$	1,892
Income taxes paid	$	80	$	8	$	35
Noncash financing and investing activity:
Common stock issued for convertible note conversions and make-whole settlements	$	—	$	—	$	46,186
Common stock issued for Employee Stock Purchase Plan in settlement of prior year accrued employee contributions	$	105	$	169	$	105
Accrued sale of common stock, cash received in a subsequent period	$	357	$	494	$	633
Accrued purchase of fixed assets, cash paid in subsequent period	$	3,952	$	—	$	—
Accrued purchase of project assets, cash paid in subsequent period	$	1,797	—		—