Stockholders' Equity (Details 3) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2013	Dec. 31, 2012
Summary of stock options outstanding
Stock Options Outstanding, Beginning Balance	44,529	51,353
Stock Options, Granted	26,553	2,500
Stock Options, Forfeited, or expired	(1,545)	(9,121)
Stock Options Outstanding, Ending Balance	69,537	44,529
Options exercisable	43,379	23,319
Weighted Average Exercise Price, Beginning Period	$ 0.05	$ 0.09
Weighted Average Exercise Price, Granted	$ 0.04	$ 0.06
Weighted Average Exercise Price, Exercised		$ 0.07
Weighted Average Exercise Price, Forfeited, or expired	$ 0.11	$ 0.26
Weighted Average Exercise Price, Ending Period	$ 0.05	$ 0.05
Weighted Average Exercise Price, Exercisable at ending balance	$ 0.05	$ 0.05
Weighted Average Remaining Contractual Term, ending balance	3 years 2 months	3 years 2 months
Weighted Average Remaining Contractual Term, excercisable at ending balance	2 years 6 months	2 years 6 months
Aggregate Intrinsic Value, Exercised	$ 2	$ 2
Weighted average grant date fair value of options granted during period	$ 0.04	$ 0.06

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

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)(iii)

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

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

+ References

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Net number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.

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