| 
           J. STOCK OPTIONS AND WARRANTS (Details-Option activity) (Equity Option [Member], USD $) 
         | 
        6 Months Ended | 12 Months Ended | 
|---|---|---|
| 
           Jun. 30, 2014 
         | 
        
           Dec. 31, 2013 
         | 
      |
| 
           Equity Option [Member] 
         | 
        ||
| Number of shares | ||
| Shares outstanding - beginning balance | 1,735,225 | 1,280,642 | 
| Number of shares - granted | 200,000 | 504,583 | 
| Number of shares - exercised | 0 | 0 | 
| Number of shares - cancelled or expired | 0 | (50,000) | 
| Shares outstanding - ending balance | 1,935,225 | 1,735,225 | 
| Weighted Average Price Per Share | ||
| Weighted average price per share - beginning balance | $ 0.43 | $ 0.62 | 
| Weighted average price per share - granted | $ 0.19 | $ 0.18 | 
| Weighted average price per share - exercised | ||
| Weighted average price per share - cancelled or expired | $ 2.69 | |
| Weighted average price per share - ending balance | $ 0.41 | $ 0.43 | 
| X | ||||||||||
| 
             
- Definition 
          Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Gross number of share options (or share units) granted during the period. No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Number of options outstanding, including both vested and non-vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Details 
          
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  | 
        
| X | ||||||||||
| 
             
- Details 
          
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Weighted average price at which option holders acquired shares when converting their stock options into shares. No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired. No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options. No definition available. 
  | 
        
| X | ||||||||||
| 
             
- Definition 
          Number of share options (or share units) exercised during the current period. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
  |