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Description of Business and Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Description of Business and Summary of Significant Accounting Policies [Line Items]      
Revenues $ 58,240,000 $ 55,858,000  
Amortization period 12 months    
Foreign Currency Transaction Gain (Loss), before Tax $ 108,000 158,000  
Foreign currency translation adjustment, net of taxes 406,000 566,000  
Outstanding foreign currency forward contracts 6,900,000    
Cost 27,956,000 30,047,000  
Allowance for Doubtful Accounts Receivable 700,000 800,000  
Write off of allowance for doubtful accounts 300,000    
Cash and Cash Equivalents, at Carrying Value, Total 17,573,000 10,874,000  
Deferred Revenue 1,200,000 1,100,000  
Capitalized software development costs      
Description of Business and Summary of Significant Accounting Policies [Line Items]      
Cost 10,693,000 8,074,000  
Capitalized software development cost - work in progress      
Description of Business and Summary of Significant Accounting Policies [Line Items]      
Cost $ 1,360,000 2,536,000  
Minimum      
Description of Business and Summary of Significant Accounting Policies [Line Items]      
Property and equipment useful lives 2 years    
Estimated useful lives P2Y    
Minimum | Capitalized software development costs      
Description of Business and Summary of Significant Accounting Policies [Line Items]      
Estimated useful lives P3Y    
Maximum      
Description of Business and Summary of Significant Accounting Policies [Line Items]      
Property and equipment useful lives 10 years    
Estimated useful lives P10Y    
Maximum | Capitalized software development costs      
Description of Business and Summary of Significant Accounting Policies [Line Items]      
Estimated useful lives P9Y    
Agility [Member]      
Description of Business and Summary of Significant Accounting Policies [Line Items]      
Revenues $ 11,429,000 10,744,000  
Error corrections      
Description of Business and Summary of Significant Accounting Policies [Line Items]      
Increase in net loss   540,000  
Increase in expenses   $ 540,000  
Increase in the loss per share   $ 0.02  
Increase in liabilities   $ 528,000  
Decrease in retained earnings   777,000 $ 237,000
Decrease in total assets   249,000  
Decrease in cash flows provided by operating activities   573,000  
Decrease in cash flows used in investing activities   102,000  
Decrease in cash flows used in financing activities   $ 471,000  
Foreign Subsidiaries [Member]      
Description of Business and Summary of Significant Accounting Policies [Line Items]      
Cash and Cash Equivalents, at Carrying Value, Total 10,200,000    
United States      
Description of Business and Summary of Significant Accounting Policies [Line Items]      
Cash and Cash Equivalents, at Carrying Value, Total 7,400,000    
United States | Foreign Subsidiaries [Member]      
Description of Business and Summary of Significant Accounting Policies [Line Items]      
Cash and Cash Equivalents, at Carrying Value, Total $ 17,600,000