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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
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