Exhibit 12.1

Amounts presented in thousands
				Fiscal Year Ended October 31,
	Six Months ended April 30, 2018			2017			2016			2015			2014			2013
Earnings (loss):
Add:
Pre-tax (loss) from continuing operations before adjustment for minority interests in consolidated subsidiaries or income or loss from equity investees		(20,392	)		(53,859	)		(51,208	)		(29,684	)		(37,607	)		(34,032	)
Fixed Charges		6,003			13,092			9,392			6,719			6,806			7,239
Amortization of capitalized interest		16			24			-			-			-			-
Less:
Preferred dividends		1,600			3,200			3,200			3,200			3,200			3,200
Interest capitalized in the period		17			183			628			-			-			-
Non-controlling interest in income that have not incurred fixed charges		-			-			(251	)		(325	)		-			-
Earnings (loss) as adjusted	$	(15,990	)	$	(44,127	)	$	(45,394	)	$	(25,840	)	$	(34,001	)	$	(29,993	)
Fixed charges:
Interest expense and capitalized interest incurred		4,217			9,354			5,586			2,960			3,561			3,973
Estimate of interest within rental expense (a)		186			537			605			559			45			66
Preferred dividends		1,600			3,200			3,200			3,200			3,200			3,200
Total fixed charges	$	6,003		$	13,092		$	9,392		$	6,719		$	6,806		$	7,239
Ratio of earnings to fixed charges		N/A			N/A			N/A			N/A			N/A			N/A
Coverage deficiency	$	(21,993	)	$	(57,218	)	$	(54,785	)	$	(32,559	)	$	(40,807	)	$	(37,232	)

(a) One-third of rent expense is the portion deemed representative of the interest factor for the 6 month period ended April 30, 2018 and fiscal years ended October 31, 2017, 2016 and 2015.