Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.23.2
Summary of Significant Accounting Policies - Additional Information (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2023
USD ($)
Jun. 30, 2022
USD ($)
Jun. 30, 2023
USD ($)
segment
shares
Jun. 30, 2022
USD ($)
shares
Financing Receivable, Impaired [Line Items]        
Tangible asset impairment charges $ 0 $ 0 $ 0 $ 0
Asset impairment charges 0 0 0 0
Research and development expense 2,478,000 2,355,000 5,004,000 4,420,000
Advertising expense 266,000 304,000 $ 607,000 854,000
Percentage of largest benefit greater than likelihood of resolution for tax benefit measurement     50.00%  
Deferred tax assets $ 0 $ 0 $ 0 $ 0
Effective income tax reconciliation rate (0.28%) 0.00% (0.27%) 0.00%
Weighted average shares included in computation of earning per share (in shares) | shares     488,148 499,153
Number of operating segments | segment     1  
Minimum        
Financing Receivable, Impaired [Line Items]        
Intangible asset useful life 2 years   2 years  
Lease terms 2 years   2 years  
Maximum        
Financing Receivable, Impaired [Line Items]        
Intangible asset useful life 10 years   10 years  
Lease terms 10 years   10 years