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Discontinued Operations - Additional Information (Details) (USD $)
1 Months Ended 3 Months Ended 12 Months Ended
Dec. 31, 2013
Mar. 01, 2013
Employee
Dec. 31, 2013
Sep. 30, 2013
Jun. 30, 2013
Mar. 31, 2013
Dec. 31, 2012
Sep. 30, 2012
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Feb. 28, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                            
Sale price of SCC group to an unaffiliated third party   $ 6,100,000                        
Purchase price receivable on sale of SCC group 110,000 5,400,000 110,000               110,000      
Additional purchase price received from escrow 475,000                          
Escrow deposits related to SCC group sales 125,000                          
Escrow release period 18 months                          
Transaction costs incurred related to SCC sales   900,000                        
Sublease income   400,000                        
Employee of SCC group transferred to purchaser   20                        
Current assets related to disposal group                           200,000
Long-term assets related to disposal group                           100,000
SCC group accounted percentage of cost of revenue accounted to revenue cost                       20.70%    
Gain on sale, net of income taxes     (329,000) (130,000) (161,000) 3,934,000 304,000 110,000 109,000 232,000 3,314,179 755,279 1,136,601  
Net income per share from discontinued operations, diluted (in dollars per share)     $ (0.02) $ (0.01) $ (0.01) $ 0.24 $ 0.02 $ 0.01 $ 0.01 $ 0.01 $ 0.20 $ 0.05 $ 0.07  
Net revenues                     2,196,732 5,971,452 6,831,779  
Secure Computing and Communications Group (SCC)
                           
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                            
Net revenues                     $ 1,700,000      
Sales
                           
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]                            
SCC group accounted percentage of revenue to total revenue                       18.50%