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Description of Business and Summary of Significant Accounting Policies (Details Textual) - USD ($)
 12 Months Ended
Jun. 30, 2018
Dec. 31, 2018
Dec. 31, 2017
Jan. 01, 2019
Dec. 31, 2016
Description of Business and Summary of Significant Accounting Policies [Line Items]          
Goodwill, Impairment Loss $ 675,000 $ 675,000 $ 0    
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders   492,000      
Foreign Currency Transaction Gain (Loss), before Tax   (201,000) 466,000    
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax   (779,000) 706,000    
Cash and Cash Equivalents, at Carrying Value, Total   10,869,000 11,407,000   $ 14,172,000
Deferred Revenue   1.1 1.3    
Allowance for Doubtful Accounts Receivable   1,000,000 $ 1,200,000    
Quantifying Misstatement in Current Year Financial Statements, Amount   269,000      
Quantifying Misstatement in Current Year Financial Statements Amount Of reduction of Net Income   $ 269,000      
Immaterial Error Correction   The correction of the cumulative error was recorded in the 2018 consolidated financial statements. The $700,000 in recorded pension expense for 2018 includes the $269,000 of prior under-recorded pension expense and the $2.5 million of pension liability as of December 31, 2018 includes the $269,000 of prior under-recorded pension liability.      
Doc Genix [Member]          
Description of Business and Summary of Significant Accounting Policies [Line Items]          
Noncontrolling Interest, Ownership Percentage By Parent   94.00%      
UNITED STATES          
Description of Business and Summary of Significant Accounting Policies [Line Items]          
Cash and Cash Equivalents, at Carrying Value, Total   $ 5,300,000      
Accounting Standards Update 2016-02 [Member]          
Description of Business and Summary of Significant Accounting Policies [Line Items]          
Operating Lease, Right-of-Use Asset       $ 8,000,000  
Operating Lease, Liability       $ 9,000,000  
Digital Data Solutions [Member]          
Description of Business and Summary of Significant Accounting Policies [Line Items]          
Goodwill, Impairment Loss   $ 675,000      
Synodex [Member]          
Description of Business and Summary of Significant Accounting Policies [Line Items]          
Noncontrolling Interest Increase in Ownership Percentage by Parent 1.50% 92.50%      
Foreign Subsidiaries [Member]          
Description of Business and Summary of Significant Accounting Policies [Line Items]          
Cash and Cash Equivalents, at Carrying Value, Total   $ 5,600,000