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Note 2 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2012

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

		Three months ended June 30,								Six months ended June 30,
		2012				2011				2012				2011
Basic and diluted loss per share:
Net loss		$	(900	)		$	(1,173	)		$	(2,767	)		$	(3,986	)
Basic and diluted loss per share:
Weighted average shares outstanding			44,513				24,754				38,067				24,490
Basic and diluted net loss per share		$	(0.02	)		$	(0.04	)		$	(0.07	)		$	(0.16	)

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]

		Three months ended June 30,								Six months ended June 30,
		2012				2011				2012				2011
Stock option expense		$	46			$	73			$	104			$	96
Executive & Director stock-based compensation			-				53				-				107
Employee incentive stock-based compensation			-				-				-				106
Total stock-based compensation		$	46			$	126			$	104			$	309

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

		Six months ended June 30,
		2012				2011
Fair value of options issued		$	0.21			$	0.59
Exercise price		$	0.39			$	1.07
Expected life of option (years)		6.1				6.1
Risk-free interest rate			1.48	%			2.40	%
Expected volatility			58.05	%			56.72	%
Dividend yield			0	%			0	%

Schedule of Product Warranty Liability [Table Text Block]

		Three months ended June 30,								Six months ended June 30,
		2012				2011				2012				2011
Balance at the beginning of the period		$	110			$	116			$	100			$	126
Accruals for warranties issued			27				15				58				22
Settlements made during the period (in cash or in kind)			(12	)			(31	)			(33	)			(48	)
Balance at the end of the period		$	125			$	100			$	125			$	100

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- Definition

Tabular disclosure of an entity's basic and diluted earnings per share calculations.

+ References

No definition available.

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- Definition

Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph g(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 14

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph 64

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 6: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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- Definition

Tabular disclosure of the changes in the guarantor's aggregate product warranty liability, including the beginning balance of the aggregate product warranty liability, the aggregate reductions in that liability for payments made (in cash or in kind) under the warranty, the aggregate changes in the liability for accruals related to product warranties issued during the reporting period, the aggregate changes in the liability for accruals related to preexisting warranties (including adjustments related to changes in estimates), and the ending balance of the aggregate product warranty liability.

+ References

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-Publisher FASB

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+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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