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J - SUMMARIZED QUARTERLY FINANCIAL DATA (UNAUDITED)
12 Months Ended
Dec. 31, 2012
Quarterly Financial Information Disclosure [Abstract]  
J - SUMMARIZED QUARTERLY FINANCIAL DATA (UNAUDITED)

Note J - Summarized Quarterly Financial Data (Unaudited)

                                                   
    2012   2011  
           
    First
Quarter
  Second
Quarter
  Third
Quarter
  Fourth
Quarter
  First
Quarter
  Second
Quarter
  Third
Quarter
  Fourth
Quarter
 
                                   
Revenue   $ 6,553,000   $ 5,625,000   $ 4,073,000   $ 4,732,000   $ 5,503,000   $ 4,498,000   $ 5,857,000   $ 4,341,000  
Net income (loss)   $ 625,000   $ 447,000   $ (912,000 ) $ (331,000 ) $ (2,004,000 ) $ (1,790,000 ) $ (591,000 ) $ (994,000 )
Earnings (loss) per share:                                                  
Basic   $ 0.03   $ 0.02   $ (0.04 ) $ (0.01 ) $ (0.09 ) $ (0.08 ) $ (0.03 ) $ (0.04 )
Diluted   $ 0.03   $ 0.02   $ (0.04 ) $ (0.01 ) $ (0.09 ) $ (0.08 ) $ (0.03 ) $ (0.04 )