XML 48 R37.htm IDEA: XBRL DOCUMENT v3.22.0.1
Revenue Recognition - Additional Information (Details)
3 Months Ended 12 Months Ended
Dec. 31, 2021
USD ($)
Customer
Dec. 31, 2020
USD ($)
Customer
Sep. 30, 2021
USD ($)
Disaggregation Of Revenue [Line Items]      
Revenues $ 94,426,000 $ 93,643,000  
Contract acquisition costs 6,500,000   $ 6,900,000
Contract acquisition cost, amortization 600,000 400,000  
Contract acquisition cost, impairment 0    
Capitalized contract cost, amortization 2,800,000 4,300,000  
Capitalized contract cost, impairment 0    
Customer One      
Disaggregation Of Revenue [Line Items]      
Revenues 24,200,000 17,900,000  
Customer Two      
Disaggregation Of Revenue [Line Items]      
Revenues 17,900,000    
United States      
Disaggregation Of Revenue [Line Items]      
Revenues 35,129,000 32,094,000  
Germany      
Disaggregation Of Revenue [Line Items]      
Revenues 19,509,000 32,044,000  
Japan      
Disaggregation Of Revenue [Line Items]      
Revenues $ 26,076,000 $ 12,673,000  
Revenues | Customer Concentration Risk      
Disaggregation Of Revenue [Line Items]      
Number of customers accounted for revenues | Customer 2 1  
Revenues | Customer Concentration Risk | Customer One      
Disaggregation Of Revenue [Line Items]      
Percentage of revenue 25.70% 19.10%  
Revenues | Customer Concentration Risk | Customer Two      
Disaggregation Of Revenue [Line Items]      
Percentage of revenue 19.00%    
Minimum      
Disaggregation Of Revenue [Line Items]      
Connected services contract term 1 year    
Contract acquisition cost, deferred and amortized over benefit period 1 year    
Contract term 1 year    
Minimum | Revenues | United States | Geographic Concentration Risk      
Disaggregation Of Revenue [Line Items]      
Percentage of revenue 10.00% 10.00%  
Minimum | Revenues | Germany | Geographic Concentration Risk      
Disaggregation Of Revenue [Line Items]      
Percentage of revenue 10.00% 10.00%  
Minimum | Revenues | Japan | Geographic Concentration Risk      
Disaggregation Of Revenue [Line Items]      
Percentage of revenue 10.00% 10.00%  
Maximum      
Disaggregation Of Revenue [Line Items]      
Connected services contract term 5 years    
Contract acquisition costs, expected benefit period 1 year    
Contract acquisition cost, deferred and amortized over benefit period 8 years    
Contract term 8 years