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Note 7 - Shareholders' Equity (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

		Nine-Month Periods Ended
		September 30, 2012				October 2,  2011
Risk-free interest rate			0.56	%			1.22	%
Volatility factor			63.53	%			60.63	%
Dividends			0.00	%			0.00	%
Weighted average expected life (years)			3.91				3.82

		Nine-Month Period Ended October 2, 2011
Risk-free interest rate			2.74	%
Volatility factor			63.79	%
Dividends			0.00	%
Weighted average expected life (years)			5.51

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

		Number of Shares				Weighted Average Exercise Price Per Share			Weighted Average Remaining Contractual Term		Aggregate Intrinsic Value
Shares under option at January 1, 2012			2,356,228			$	8.34
Options granted			303,150				3.63
Options exercised			(28,000	)			4.09
Options forfeited			(75,389	)			4.82
Options expired			(213,267	)			10.90
Shares under option at September 30, 2012			2,342,722			$	7.66		4.83 years		$	-
Vested and expected to vest as of September 30, 2012			2,232,729			$	7.80		4.79 years		$	-
Options exercisable at September 30, 2012			848,930			$	9.01		2.63 years		$	-

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]

		Number of Shares				Weighted Average Grant Date Fair Value
Unvested at December 31, 2011			1,218			$	11.33
Granted			-				-
Vested			(1,218	)			11.33
Forfeited			-				-
Unvested at September 30, 2012			-			$	-

X

- Definition

Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

+ References

No definition available.

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X

- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (f)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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