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6. STOCK-BASED COMPENSATION (Details-Outstanding options and warrants) (USD $) In Thousands, except Share data, unless otherwise specified | 6 Months Ended |
--- | --- | ---
Jun. 30, 2014 | Dec. 31, 2013
Non-Plan Outstanding Warrants [Member] |  |
Weighted Average Exercise price Per Common Share |  |
Begining Balance | $ 2.62 |
Granted |  |
Exercised |  |
Canceled or expired |  |
Ending Balance | $ 2.62 |
Exercisable at the end | $ 2.62 |
Aggregate Intrinsic Value |  |
Aggregate value outstanding | $ 802,000 |
Aggregate value exercisable | 802,000 |
Outstanding Warrants |  |
Beginning balance | 200,000 |
Ending balance | 200,000 |
Exercisable | 200,000 |
Weighted Average Exercise Price |  |
Beginning price per share | $ 2.62 |
Ending price per share | $ 2.62 |
Weighted Average Remaining Contractual Term |  |
Weighted average contractual term ending balance | 1 year 5 months 1 day |
Weighted average contractual term exercisable | 1 year 5 months 1 day |
Outstanding Options and Warrants [Member] |  |
Outstanding Options |  |
Begining Balance | 4,701,250 |
Granted | 0 |
Exercised | (2,129,083) |
Canceled or expired | (300,000) |
Ending Balance | 2,272,167 |
Exercisable at the end | 2,062,167 |
Weighted Average Exercise price Per Common Share |  |
Begining Balance | $ 3.15 |
Granted |  |
Exercised | $ 2.40 |
Canceled or expired | $ 6.10 |
Ending Balance | $ 3.46 |
Exercisable at the end | $ 3.54 |
Weighted Average Remaining Contractual Life |  |
Ending Balance | 1 year 7 months 24 days |
Exercisable at the end | 1 year 6 months 18 days |
Aggregate Intrinsic Value |  |
Aggregate value outstanding | 7,799,490 |
Aggregate value exercisable | $ 6,972,755 |
Weighted Average Exercise Price |  |
Exercisable price per share |  | $ 2.62

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- Definition Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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