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NOTE 8 STOCKHOLDERS' EQUITY (Details Narrative) (USD $) | 12 Months Ended |  |  | 1 Months Ended | 12 Months Ended | 1 Months Ended | 2 Months Ended | 12 Months Ended | 1 Months Ended | 12 Months Ended |  | 1 Months Ended | 4 Months Ended | 12 Months Ended | 56 Months Ended | 61 Months Ended | 12 Months Ended |
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010 | Jun. 30, 2011 | Jun. 29, 2011 | Jul. 31, 2011 2012 Private Placement | Dec. 31, 2012 2012 Private Placement | Jul. 31, 2011 2011 Private Placement | Jun. 30, 2011 2011 Private Placement | Jul. 31, 2011 2011 Private Placement | Dec. 31, 2010 2009 Private Placement | Dec. 31, 2009 2009 Private Placement | Jun. 30, 2011 2007 Equity Incentive Plan | Dec. 31, 2010 2007 Equity Incentive Plan | Dec. 31, 2012 2007 Equity Incentive Plan | Dec. 31, 2012 2002 Stock Incentive Plan | Jun. 30, 2011 1997 Employee Stock Purchase Plan | Apr. 30, 2008 1997 Employee Stock Purchase Plan | Dec. 31, 2012 1997 Employee Stock Purchase Plan | Dec. 31, 2011 1997 Employee Stock Purchase Plan | Dec. 31, 2010 1997 Employee Stock Purchase Plan | Dec. 31, 2009 1997 Employee Stock Purchase Plan | Dec. 31, 2007 1997 Employee Stock Purchase Plan | Dec. 31, 2012 1997 Employee Stock Purchase Plan | Dec. 31, 2012 1997 Employee Stock Purchase Plan | Dec. 31, 2008 Non-qualified stock plan | Dec. 31, 2007 Non-qualified stock plan | Dec. 31, 2012 Non-qualified stock plan
Authorized common stock | 1,500,000,000 | 1,500,000,000 |  | 1,500,000,000 | 100,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Par value | $ 0.01 | $ 0.01 |  | $ 0.0100 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares sold |  |  |  |  |  |  | 102,000,000 |  | 160,000,006 |  |  | 7,954,543 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price |  |  |  |  |  |  |  |  |  |  |  | $ 0.88 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of underlying common shares relating to warrants sold |  |  |  |  |  |  |  |  | 80,000,005 |  |  | 3,977,270 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Warrant exercise price |  |  |  |  |  |  |  |  | $ 0.18 |  |  | $ 0.88 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Price per underlying share, warrants |  |  |  |  |  |  |  |  |  |  |  | $ 0.125 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Terms of additional rights |  |  |  |  |  |  |  |  |  |  |  | The purchasers had the right to purchase up to an additional 5,165,286 shares at $0.97 per share prior to May 14, 2010 and paid $0.125 per underlying share for the right to purchase such additional shares. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Proceeds, net of issuance costs |  |  |  |  |  |  |  |  |  |  |  | $ 7,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares sold, covered by Form S-3 Registration Statement |  |  |  |  |  |  |  |  |  |  | 421,926 | 7,532,617 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of underlying common shares of warrants sold, covered by Form S-3 Registration Statement |  |  |  |  |  |  |  |  |  |  | 3,977,270 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Terms of failure to keep any registration statements continuously effective |  |  |  |  |  |  | If the Company fails to keep the registration statements continuously effective for a designated time (with limited exceptions), the Company may be obligated to pay to each holder of the 2012 Shares an amount equal to 1.5% per month of the aggregate purchase price of the unregistered 2012 Shares held by such holder, capped at a total penalty of 9.0%. |  | If the Company fails to keep the registration statement continuously effective for a designated time (with limited exceptions), the Company may be obligated to pay to the holders of the Registrable Securities liquidated damages in an amount equal to 1.0% per month of such holder's pro rata interest in the total purchase price of the Private Placement, capped at a total penalty of 6.0%. |  |  | If we fail to keep any registration statements continuously effective, we may be obligated to pay to the holders of the shares and warrants liquidated damages in the amount of 1% per month of the purchase price for the shares and warrants, up to a maximum cap of 8% of such purchase price. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross proceeds from private placement |  |  |  |  |  | 53,600,000 |  | 3,700,000 | 20,300,000 | 24,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Terms of purchase (Private Placement) |  |  |  |  |  |  |  |  | For each share purchased, the investors received one Warrant to purchase 0.5 shares of common stock (together with a Share, a Unit), at a purchase price of $0.15 per Unit. The Warrants were immediately exercisable and expire on the fifth anniversary of the closing date of July 1, 2011. The Warrants may be exercised for cash only or, if a registration statement is not then effective and available for the resale of the shares of common stock issuable upon exercise of the Warrants, by surrender of such Warrant, or a portion of such Warrant, by way of cashless exercise. There is no right to exercise the Warrants to the extent that after giving effect to such exercise the holder would beneficially own in excess of 9.99% of our outstanding shares of common stock or such other limit as may be designated by any particular purchaser. Each holder of the Warrants can amend or waive the foregoing limitation by written notice to the Company, with such waiver taking effect only upon the expiration of a 61-day notice period. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Payments of stock issuance costs |  |  |  |  |  |  |  |  |  | 1,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net proceeds from private placement |  |  |  |  |  | 50,500,000 |  |  |  | 22,800,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase in the number of common shares reserved for issuance |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 500,000 |  |  |  |  | 200,000 | 100,000 |  | 1,000,000 |  |  |
Terms of Employee Stock Purchase Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Under the terms of the Purchase Plan, employees can elect to have up to a maximum of 10% of their base earnings withheld to purchase our common stock. The purchase price of the stock is 85% of the lower of the closing prices for our common stock on: (i) the first trading day in the enrollment period, as defined in the Purchase Plan, in which the purchase is made, or (ii) the purchase date. The length of the enrollment period may not exceed a maximum of six months. |  |  |  |  |  |  |  |  |
Length of all offering periods |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 24 months |  |  |  |  |  | 6 months |  |  |  |
Percentage of employees who participated in the Plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 16.00% |  |  |  |  |  |  |  |  |
Total shares issued under the plan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 85,475 | 77,982 | 48,921 |  |  |  |  |  |  |
Weighted-average fair value per share of purchase rights granted |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.26 | $ 0.20 | $ 0.30 |  |  |  |  |  |  |
Weighted-average exercise price per share of the purchase rights exercised |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.26 | $ 0.20 | $ 0.61 |  |  |  |  |  |  |
common shares reserved for issuance (under the Plan) | 445,701 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 445,701 | 531,176 | 109,158 |  |  | 445,701 | 445,701 |  |  |
Increase in the maximum number of shares of common stock available for grant |  |  |  |  |  |  |  |  |  |  |  |  | 90,000,000 | 2,000,000 |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 | 1,000,000 |
Number of shares of common stock authorized for issuance |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 95,000,000 | 425,000 |  |  |  |  |  |  |  |  |  |  |  | 2,062,500
Total unrecognized compensation expense related to unvested stock options | 21,100,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Weighted average period over which expense related to unvested stock options is expected to be recognized | 2.9 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Cash received from option exercises |  |  | 47,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Total intrinsic value of options exercised |  |  | 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Compensation cost for the restricted stock awards issued to employees and directors |  | $ 98,000 | $ 385,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition The total accumulated difference between fair values of underlying shares on dates of exercise and exercise price on options which were exercised (or share units converted) into shares during the reporting period under the plan. + 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 (d)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph c(2) -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. + Details
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- Definition Price of a single share of a number of saleable stocks of a company. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=7578670&loc=d3e19207-110258 + Details
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