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DEBT: (Details) (USD $)
 0 Months Ended 3 Months Ended 0 Months Ended 1 Months Ended 3 Months Ended 3 Months Ended
Feb. 28, 2011
Loan Agreement
Dec. 31, 2012
Loan Agreement
Dec. 31, 2011
Loan Agreement
Jul. 29, 2010
Line of credit
May 31, 2012
Line of credit
Dec. 31, 2012
Line of credit
May 09, 2012
Line of credit
Feb. 09, 2011
Line of credit
Nov. 30, 2010
Line of credit
Dec. 31, 2012
Line of credit
Prime Rate
Dec. 31, 2012
Line of credit - unbilled receivables
May 31, 2012
Line of credit - unbilled receivables
Feb. 09, 2011
Line of credit - unbilled receivables
Dec. 31, 2012
Line of credit - unbilled receivables
Prime Rate
DEBT                            
Term of debt instrument       2 years                    
Maximum availability       $ 1,500,000 $ 6,000,000     $ 3,000,000 $ 2,500,000     $ 1,000,000 $ 500,000  
Interest rate premium                     2.00%      
Initial sublimit         3,000,000                  
Adjusted sublimit         4,000,000                  
Repayment of over-advance accommodation         500,000                  
Accounts advance rate (as a percent)           85.00%         75.00%      
Extended term of debt instrument 12 months                          
Interest rate (as a percent)           3.25%                
Margin (as a percent)                   1.95%       3.95%
Reference rate, description                   Wall Street Journal Prime rate       Wall Street Journal Prime rate
Monthly service charge based on the average daily loan balance (as a percent)   0.65%                        
Interest rate (as a percent)   5.20% 5.20%                      
Amount of unused availability under the line           168,000                
Amount outstanding           1,816,000                
Maximum amount of equity interest that the entity can redeem, retire or purchase   50,000                        
Notice period to terminate the Loan Agreement   60 days                        
Maximum borrowing capacity in excess of eligible collateral             $ 500,000              
Origination fee (as a percent)   1.00%