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STOCKHOLDERS' EQUITY (Tables) | 12 Months Ended
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Dec. 31, 2012
Stockholders' Equity Note [Abstract] |
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] | Stock option activity under the 1998, 1999, 2001, 2003 and 2006 Stock Option Plans during the periods indicated below is as follows:
|  | Number of Shares Subject to Issuance |  |  | Weighted- average Exercise Price |  |  | Weighted- average Remaining Contractual Term |  | Aggregate Intrinsic Value |
Outstanding at December 31, 2010 |  |  | 1,972,203 |  |  | $ | 1.62 |  |  | 2.86 years |  |  |  |
Granted |  |  | - |  |  |  | - |  |  |  |  |  |  |
Forfeited or expired |  |  | (292,820 | ) |  |  | 1.97 |  |  |  |  |  |  |
Exercised |  |  | (435,123 | ) |  |  | 0.52 |  |  |  |  | $ | 326,172 |
Outstanding at December 31, 2011 |  |  | 1,244,260 |  |  | $ | 1.93 |  |  | 2.29 years |  |  |  |
Granted |  |  | - |  |  |  | - |  |  |  |  |  |  |
Forfeited or expired |  |  | (235,862 | ) |  |  | 3.10 |  |  |  |  |  |  |
Exercised |  |  | (261,763 | ) |  |  | 0.50 |  |  |  |  | $ | 348,352 |
Outstanding at December 31, 2012 |  |  | 746,635 |  |  | $ | 2.06 |  |  | 1.66 years |  | $ | 32,217 |
Exercisable at December 31, 2012 |  |  | 711,135 |  |  | $ | 2.08 |  |  | 1.65 years |  | $ | 32,217 |
Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] | The following is a summary of stock options as of December 31, 2012:
|  |  | Options Outstanding |  |  | Options Exercisable |
Range of Exercise Prices |  |  | Number of Options |  |  | Weighted- average Remaining Life |  |  | Weighted- average Exercise Price |  |  | Number of Options |  |  | Weighted- average Exercise Price |
| $0.46 to $1.00 |  |  |  | 185,930 |  |  |  | 2.52 | years |  | $ | 0.50 |  |  |  | 185,930 |  |  | $ | 0.50 |
| $1.01 to $3.00 |  |  |  | 452,355 |  |  |  | 2.31 |  |  |  | 4.73 |  |  |  | 416,855 |  |  |  | 4.44 |
| $3.01 to $5.00 |  |  |  | 25,000 |  |  |  | 0.70 |  |  |  | 0.49 |  |  |  | 25,000 |  |  |  | 0.49 |
| $5.01 to $6.80 |  |  |  | 83,350 |  |  |  | 1.15 |  |  |  | 2.54 |  |  |  | 83,350 |  |  |  | 2.54 |
|  |  |  |  | 746,635 |  |  |  | 1.66 | years |  | $ | 2.06 |  |  |  | 711,135 |  |  | $ | 2.08 |
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block] | Share based compensation expense for the years ended December 31, 2012 and 2011 is as follows:
|  | Years Ended December 31, |
Compensation cost recognized: |  | 2012 |  |  | 2011 |
Stock options |  | $ | 52,677 |  |  | $ | 3,991 |
Restricted stock |  |  | 0 |  |  |  | 29,896 |
|  | $ | 52,677 |  |  | $ | 33,887 |
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] | Share based compensation is included in operating expenses as follows:
|  | Years Ended December 31, |
|  | 2012 |  |  | 2011 |
Selling |  | $ | 9,216 |  |  | $ | (30,382 | )
General and administrative |  |  | 16,788 |  |  |  | 65,419 |
Research and development |  |  | 26,673 |  |  |  | (1,150 | )
|  | $ | 52,677 |  |  | $ | 33,887 |

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- Definition Tabular disclosure of option exercise prices, by grouped ranges, including the upper and lower limits of the price range, the number of shares under option, weighted average exercise price and remaining contractual option terms. + 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 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph 64 -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. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph f -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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