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Note 16 - Stock Plans (Tables)

12 Months Ended

Oct. 31, 2013

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]

						Weighted -Average								Weighted- Average								Weighted- Average
		October 31, 2013				Exercise Price				October 31, 2012				Exercise Price				October 31, 2011				Exercise Price
Options outstanding at beginning of period			6,019,070				$5.97				5,094,367				$7.05				6,316,860				$8.72
Granted			887,500				$6.28				1,334,828				$2.59				674,100				$1.93
Exercised			44,812				$2.67				6,250				$2.55
Forfeited			76,500				$3.06				94,808				$4.77				238,499				$7.33
Cancellations																			1,200,000				$11.19
Expired			194,204				$16.92				309,067				$9.61				458,094				$11.57
Options outstanding at end of period			6,591,054				$5.74				6,019,070				$5.97				5,094,367				$7.05
Options exercisable at end of period			3,161,952								2,467,170								1,764,338

Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block]

Range of Exercise Prices				Number Outstanding				Weighted- Average Exercise Price				Weighted Average Remaining Contractual Life
$1.93	–	$5.00			4,405,679				$2.95				7.07
$5.01	–	$10.00			1,701,500				$6.37				7.27
$10.01	–	$20.00			-				$-				-
$20.01	–	$30.00			241,500				$21.70				3.66
$30.01	–	$40.00			197,375				$32.53				1.77
$40.01	–	$50.00			10,000				$41.45				0.25
$50.01	–	$60.00			30,000				$54.70				1.42
$60.01	–	$70.00			5,000				$60.36				1.67
					6,591,054				$5.74				6.80

Range of Exercise Prices				Number Exercisable				Weighted- Average Exercise Price				Weighted Average Remaining Contractual Life
$1.93	–	$5.00			1,864,077				$3.14				6.18
$5.01	–	$10.00			814,000				$6.46				4.67
$10.01	–	$20.00			-				$-				-
$20.01	–	$30.00			241,500				$21.70				3.66
$30.01	–	$40.00			197,375				$32.53				1.77
$40.01	–	$50.00			10,000				$41.45				0.25
$50.01	–	$60.00			30,000				$54.70				1.42
$60.01	–	$70.00			5,000				$60.36				4.83
					3,161,952				$7.95				5.26

Schedule of Nonvested Share Activity [Table Text Block]

		Shares				Weighted-Average Grant Date  Fair Value
Nonvested at beginning of period			2,128,005				$4.49
Granted			1,377,120				$5.63
Vested			(979,462	)			$4.58
Forfeited			(62,016	)			$4.61
Nonvested at end of period			2,463,647				$5.10

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Tabular disclosure of the changes in outstanding nonvested shares.

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Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms.

+ References

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-Publisher FASB

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

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