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6. STOCK-BASED COMPENSATION (Details Narrative) (USD $) | 3 Months Ended
--- | ---
Mar. 31, 2013 | Mar. 31, 2012
Fully vested outstanding stock options and warrants | 5,481,250 |
Percentage of total outstanding stock options and warrants granted fully vested | 89.40% |
Options and warrants outstanding | 6,131,250 |
Total intrinsic value of options and warrants | $ 2,300,000 | $ 265,000
Total unrecognized stock-based compensation expense related to non-vested employee awards | 668,000 |
Expected period of recognition over a weighted average period | 1 year |
Warrant [Member] |  |
Fully vested outstanding stock options and warrants | 330,000 |
Percentage of total outstanding stock options and warrants granted fully vested | 100.00% |
Options and warrants outstanding | 330,000 |
RestrictedStockMember |  |
Common stock reserved for issuance | 11,000,000 |
Total unrecognized stock-based compensation expense related to non-vested employee awards | $ 1,400,000 |
Expected period of recognition over a weighted average period | 2 years |
Common stock reserved for issuance under the 2006 Plan | 11,000,000 |
Options, warrants and shares of restricted stock outstanding | 7,563,750 |
Common stock available for grant under 2006 Plan | 3,416,250 |

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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of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph c(2) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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