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EMPLOYEE STOCK OPTION PLAN (Details) (USD $)
12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2013
Cost of Goods Sold [Member]
Dec. 31, 2012
Cost of Goods Sold [Member]
Dec. 31, 2013
Research and Development Expense [Member]
Dec. 31, 2012
Research and Development Expense [Member]
Dec. 31, 2013
Selling, General and Administrative Expenses [Member]
Dec. 31, 2012
Selling, General and Administrative Expenses [Member]
Dec. 31, 2013
Stock Options [Member]
Dec. 31, 2012
Stock Options [Member]
Dec. 31, 2013
Stock Options [Member]
Employees [Member]
Dec. 31, 2013
Stock Options [Member]
Consultant [Member]
Dec. 31, 2013
Stock Options [Member]
Minimum [Member]
Dec. 31, 2013
Stock Options [Member]
Maximum [Member]
Dec. 31, 2013
1999 Stock Option Plan [Member]
Stock Options [Member]
Dec. 31, 1999
1999 Stock Option Plan [Member]
Stock Options [Member]
Dec. 31, 2013
2008 Stock Incentive Plan [Member]
Stock Options [Member]
Dec. 31, 2012
2008 Stock Incentive Plan [Member]
Stock Options [Member]
Dec. 31, 2008
2008 Stock Incentive Plan [Member]
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                      
Number of shares authorized under the plan (in shares)                             375,000 187,500   750,000 625,000
Increase in number of shares authorized (in shares)                                 125,000    
Number of stock options outstanding under the plan (in shares)                 656,398 731,646         93,750   562,648    
Maximum period of stock option issuance after adoption of SOP                             10 years        
Number of stock options exercised under the plan (in shares) 88,551 111,459             88,551               144,220    
Options still available to be issued (in shares)                                 43,132    
Weighted average estimated grant-date fair value of stock options granted (in dollars per share) $ 3.99 $ 3.27                                  
Assumptions made in calculating fair values of options [Abstract]                                      
Expected term (in years)                   4 years     4 years 5 years          
Expected volatility minimum (in hundredths)                 99.60% 99.60%                  
Expected volatility maximum (in hundredths)                 115.77% 115.77%                  
Risk-free interest rate minimum (in hundredths)                 34.00% 33.00%                  
Risk-free interest rate minimum (in hundredths)                 40.00% 0.37%                  
Stock options, number of shares [Roll forward]                                      
Outstanding, beginning of period (in shares)                 731,646                    
Granted (in shares)                 51,360   51,360 0              
Exercised (in shares) (88,551) (111,459)             (88,551)               (144,220)    
Forfeited/expired/cancelled (in shares)                 (38,057)                    
Outstanding, end of period (in shares)                 656,398 731,646         93,750   562,648    
Exercisable, end of period (in shares)                 504,022                    
Stock options, weighted average exercise price per share [Roll Forward]                                      
Outstanding, beginning of period (in dollars per share)                 $ 2.22                    
Granted (in dollars per share)                 $ 5.39   $ 5.39 $ 0.00              
Exercised (in dollars per share)                 $ 1.33                    
Forfeited/expired/cancelled (in dollars per share)                 $ 2.59                    
Outstanding, end of period (in dollars per share)                 $ 2.57 $ 2.22                  
Exercisable, end of period (in dollars per share)                 $ 2.04                    
Stock options, additional disclosure [Abstract]                                      
Outstanding, weighted average remaining contractual term, beginning of period                 1 year 7 months 24 days 2 years 2 months 8 days                  
Outstanding, weighted average remaining contractual term, end of period                 1 year 7 months 24 days 2 years 2 months 8 days                  
Exercisable, weighted average remaining contractual term, end of period                 1 year 1 month 28 days                    
Outstanding, aggregate intrinsic value, beginning of period                 $ 3,460,686                    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value                 341,729                    
Outstanding, aggregate intrinsic value, end of period 864,803               801,888 3,460,686                  
Exercisable, aggregate intrinsic value, end of period 843,423               780,513                    
Net unrecognized compensation cost                 172,000                    
Weighted average period for recognition of net unrecognized compensation cost                 0 years 7 months 20 days                    
Total fair value of stock options vested during period                 118,000 144,000                  
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]                                      
Allocated share-based compensation expense $ 332,000 $ 294,000 $ 78,000 $ 49,000 $ 106,000 $ 71,000 $ 148,000 $ 174,000