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15. STOCK OPTIONS (Tables)
12 Months Ended
Dec. 31, 2012
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
The Black-Scholes model estimates the per share fair value of an option on its date of grant based on the option’s exercise price; the price of the underlying stock on the date of grant; the estimated dividend yield; a “risk-free” interest rate; the estimated option term; and the expected volatility. For the “risk-free” interest rate, the Company uses a United States Treasury Bond due in the number of years equal to the option’s expected term. The estimated option term is based upon the contractual term of the option. To determine expected volatility, the Company analyzes the historical volatility of its stock. The valuation assumptions used are shown below:

   
2011
 
2010
 
Risk free rate
    2.66 %  -    3.19   3.36 %
Expected volatility
             39   17 %
Dividend yield
             0   0 %
Expected term in years
             10     10  
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The following table summarizes stock option activity under the Stock Option Plans for the last three years:

   
2012
 
   
Number of Shares
   
Weighted Average Exercise Price
   
Weighted Average Remaining Contractual Term (Years)
   
Aggregate Intrinsic Value
 
Outstanding at beginning of period
    492,978     $ 2.61       2.93     $ 1,925,176  
Granted
    -       -       -       -  
Exercised
    335,000       .82       -       1,493,031  
Forfeited or expired
    2,000       4.45       -       -  
Outstanding at end of period
    155,978     $ 6.45       5.55     $ 33,991  
Exercisable at end of period
    134,978     $ 6.45       5.27     $ 33,991  
Nonvested at end of period
    21,000     $ 6.47       7.38     $ -  
   
2011
 
   
Number of Shares
   
Weighted Average Exercise Price
   
Weighted Average Remaining Contractual Term (Years)
   
Aggregate Intrinsic Value
 
Outstanding at beginning of period
    634,252     $ 2.37       3.59     $ 2,747,390  
Granted
    18,559       6.86       -       -  
Exercised
    129,000       .99       -       529,095  
Forfeited or expired
    30,833       6.94       -       -  
Outstanding at end of period
    492,978     $ 2.61       2.93     $ 1,925,176  
Exercisable at end of period
    446,908     $ 2.20       2.42     $ 1,925,176  
Nonvested at end of period
    46,070     $ 6.62       7.88     $ -  
   
2010
 
   
Number of Shares
   
Weighted Average Exercise Price
   
Weighted Average Remaining Contractual Term (Years)
   
Aggregate Intrinsic Value
 
Outstanding at beginning of period
    589,252     $ 2.01       4.08     $ 3,071,261  
Granted
    50,000       6.47       -       -  
Exercised
    5,000       .68       -       30,725  
Forfeited or expired
    -       -       -       -  
Outstanding at end of period
    634,252     $ 2.37       3.59     $ 2,747,390  
Exercisable at end of period
    573,582     $ 1.92       3.09     $ 2,741,701  
Nonvested at end of period
    60,670     $ 6.61       8.32     $ 5,690  
Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block]
The following table summarizes RSU activity under the Equity Incentive Plan for the year ended December 31, 2012:

   
Number of Shares
   
Weighted Average Grant Date Fair Value
   
Weighted Average Remaining Contractual Term (Years)
   
Aggregate Intrinsic Value
 
Outstanding restricted stock units at January 1, 2012
    -     $ -       -     $ -  
Granted
    79,500       4.21       -       334,865  
Forfeited
    10,125       4.21       -       51,131  
Vested
    -       -       -       -  
Outstanding restricted stock units at December 31, 2012
    69,375     $ 4.21       2.56     $ 350,344  
Restricted stock units expected to vest
    55,275     $ 4.21       2.56     $ 279,139