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Equity (Tables)

9 Months Ended

Sep. 30, 2012

Stockholders' Equity [Abstract]

Key assumptions for fair value calculation, stock options

	Nine months Ended September 30, 2012	Nine months Ended September 30, 2011
Risk free interest rate	0.62% - 5.11%	1.12% - 5.11%
Expected life (years)	2.82 - 7.00	2.82 - 7.00
Expected volatility	91.99% - 180.36%	91.99% - 147.41%
Expected dividends	None	None

Allocation of stock-based compensation expense related to stock option grants

	Three Months Ended September 30,		Nine Months Ended September 30,
	2012	2011	2012	2011
Research and development	$ 45	$ 78	$ 166	$ 284
Sales and marketing	27	37	70	128
General and administrative	30	70	117	129
Director options	7	22	23	72
Stock-based compensation expense	$ 109	$ 207	$ 376	$ 613

Summary of option activity

Options	September 30, 2012
Options	Shares (000)	Weighted Average Exercise Price	Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value
Outstanding at January 1,	51,353	$0.09		4,449
Granted	2,000	$0.06		$ 120
Exercised	(184)	$0.07		$ 2
Forfeited or expired	(7,089)	$0.26		$ 1,830
Outstanding at September 30	46,080	$0.06	5.38	$ 2,727
Vested and expected to vest at September 30	46,080	$0.06	5.38	$ 2,727
Exercisable at September 30	21,411	$0.07	4.96	$ 1,603

Summary of the significant ranges of outstanding and exercisable options

Range of Exercise Prices	As of September 30, 2012
	Options Outstanding			Options Exercisable
	Number Outstanding	Weighted Average Remaining Contractual Life (in years)	Weighted Average Exercise Price	Number Outstanding	Weighted Average Exercise Price
$0.02 - $0.50	45,604	5.4	$0.05	20,935	$0.06
0.51 - 1.00	464	0.3	$0.75	464	$0.75
1.01 - 2.00	12	0.5	$1.75	12	$1.75
	46,080	5.4	$0.06	21,411	$0.07

Summary of the status of the Company's non-vested shares

Nonvested Shares	Shares	Weighted Average Grant-Date Fair Value
Non-vested at January 1, 2012	36,814	$0.04
Granted	2,000	$0.06
Exercised	(184)	$0.05
Forfeited	(7,089)	$0.14
Vested	(6,872)	$0.06
Non-vested at September 30, 2012	24,669	$0.04

Summary of the warrants issued

	September 30, 2012		December 31, 2011
	Warrants	Weighted Average Exercise Price	Warrants	Weighted Average Exercise Price
Outstanding at beginning of period	182,644	$ 0.0261	135,131	$ 0.0274
Issued	5,349	$ 0.0500	59,735	$ 0.0064
Exercised	(35,162)	$ 0.0264	(12,222)	$ 0.0225
Expired	(3,000)	$ 0.0433	-	-
Outstanding at end of period	149,831	$ 0.0254	182,644	$ 0.0261
Exercisable at end of period	149,831	$ 0.0254	182,644	$ 0.0261

Status of the warrants outstanding

Number of Warrants Outstanding and Exercisable	September 30, 2012
Number of Warrants Outstanding and Exercisable	Weighted Average Remaining Life	Weighted Average Exercise Price Per Share
14,073	0.71	0.0433
130,409	1.30	0.0225
5,349	2.83	0.0500
149,891	1.24	0.0254

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.

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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.

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Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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