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Basis of Presentation and Significant Accounting Policies (Details) (USD $)
6 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Jul. 02, 2013
Dec. 31, 2012
Significant Accounting Policies        
Shares issuable, excluding from calculation of diluted earnings per share 4,286,534 4,225,691    
Warrants issued in acquisition 4,859,894      
Common stock, par value $ 0.02     $ 0.02
Stock option, expiration date Jul. 01, 2023      
Common stock, shares issued 21,753,007     21,705,969
Equity ownership percentage     9.99%  
Options exercisable, weighted-average exercise price $ 3.00      
Fair value of Interest rate swap hedging liabilities $ 51,775     $ 127,883
Net gain (loss) attributable to cash flow hedge 76,108 22,492    
Fair value of debt instrument 598,000     565,000
Palladium Capital Advisors [Member]
       
Significant Accounting Policies        
Shares issued in consideration of acquisition of a subsidiary, shares 786,678      
Stock Held in Escrow 400,000      
DSS [Member]
       
Significant Accounting Policies        
Shares issued in consideration of acquisition of a subsidiary, shares 16,558,387      
Common stock, par value $ 0.02      
Stock Held in Escrow 7,100,000      
Stock option, expiration date Jul. 01, 2018      
Business acquisition, purchase price allocated to cash $ 7,250,000      
Common stock, shares issued 4,859,894      
Equity ownership percentage 45.00%   51.00%  
Options exercisable, weighted-average exercise price $ 4.80      
Options outstanding 2,000,000      
Lexington [Member]
       
Significant Accounting Policies        
Common stock, shares issued 3,600,000      
Equity ownership percentage 55.00%   49.00%  
Customer Concentration Risk [Member]
       
Significant Accounting Policies        
Concentration of credit risk, percentage 22.00% 24.00%    
Accounts Receivable [Member]
       
Significant Accounting Policies        
Concentration of credit risk, percentage 20.00% 22.00%    
Maximum [Member] | DSS [Member]
       
Significant Accounting Policies        
Options exercisable, weighted-average exercise price $ 5.00