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Description of Business and Summary of Significant Accounting Policies (Details Textual) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Foreign Currency Transaction Gain (Loss), Before Tax $ 431,000 $ 621,000 $ 414,000  
Deferred Revenue 1,000,000 800,000    
Asset Impairment Charges 505,000 0 0  
Revenues From Fixedfee Contracts Percentage less than 5%      
Cash and Cash Equivalents At Carrying Value 25,425,000 11,389,000 14,120,000 26,480,000
Other Short Term Investments 3,091,000 5,828,000    
Synodex [Member]
        
Noncontrolling Interest, Ownership Percentage By Parent 77.00%      
DocGenix [Member]
        
Noncontrolling Interest, Ownership Percentage By Parent 94.00%      
Foreign Subsidiaries [Member]
        
Cash and Cash Equivalents At Carrying Value 15,100,000      
Other Short Term Investments $ 3,100,000