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9. CAPITAL STOCK (Details) - USD ($)
1 Months Ended 3 Months Ended 6 Months Ended
Mar. 31, 2015
Jun. 30, 2016
Jun. 30, 2015
Mar. 31, 2014
Jun. 30, 2016
Jun. 30, 2016
Jun. 30, 2015
Share-based Arrangements with Employees and Nonemployees [Abstract]              
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares)   500,000     500,000 500,000  
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in Shares)   280,367     280,367 280,367  
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted (in Shares)         30,000    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage         25.00%   20.00%
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Intrinsic Value, Amount Per Share (in Dollars per share)         $ 11.56 $ 10.29 $ 13.42
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in Shares)         30,000 2,000 28,000
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Outstanding Stock Maximum         25.00%    
Restricted Stock or Unit Expense (in Dollars)   $ 62,691 $ 41,109   $ 125,382   $ 82,219
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures (in Shares) 32,000       43,000    
Stock_Option_Vesting         20.00%    
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value (in Dollars per share)         $ 11.56 $ 10.29  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)         $ 3.41    
Fair Value Assumptions, Expected Term         6 years 6 months 6 years 6 months  
Fair Value Assumptions, Expected Volatility Rate         42.32% 42.32% 46.20%
Fair Value Assumptions, Risk Free Interest Rate         2.06% 1.88% 1.92%
Fair Value Assumptions, Expected Dividend Rate         3.81% 4.30% 2.99%
Forfeiture_Rate         7.70% 7.70% 3.80%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures (in Shares)         32,000 2,000  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value (in Dollars per share)           $ 2.84  
Allocated Share-based Compensation Expense (in Dollars)   $ 17,417 $ 12,370   $ 34,833   $ 24,739
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures (in Shares)   3,294   3 6,924    
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures (in Dollars)   $ 42,000     $ 84,000    
Stock Repurchased During Period, Shares (in Shares)         106,171    
Stock Repurchased During Period, Value (in Dollars)         $ 1,235,942