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Description of Business (Details 2) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Jun. 23, 2015
Feb. 05, 2015
Dec. 31, 2014
Feb. 06, 2014
Dec. 31, 2013
Description of Business                  
Cash and cash equivalents $ 978,000 $ 203,000 $ 978,000 $ 203,000     $ 1,006,000   $ 1,139,000
Net loss 4,000 $ 22,000 $ 314,000 $ 292,000          
Period during which the entity expects to have sufficient cash resources to finance its operations and capital expenditures     12 months            
Current Line of Credit                  
Description of Business                  
Funding available 500,000   $ 500,000            
Maximum borrowing capacity 625,000   625,000   $ 625,000        
Promissory note | G. Ward Paxton, chief executive officer                  
Description of Business                  
Funding available 670,000   670,000            
Maximum borrowing capacity $ 2,200,000   $ 2,200,000     $ 2,200,000   $ 2,200,000