Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.23.3
Summary of Significant Accounting Policies - Additional Information (Details)
3 Months Ended 9 Months Ended
Mar. 26, 2021
USD ($)
Sep. 30, 2023
USD ($)
Sep. 30, 2022
USD ($)
Sep. 30, 2023
USD ($)
segment
shares
Sep. 30, 2022
USD ($)
shares
Financing Receivable, Impaired [Line Items]          
Assets held for sale   $ 11,500,000   $ 11,500,000  
Impairment on assets held for sale   9,680,000 $ 0 9,680,000 $ 0
Write-off of prepaid services       3,196,000 0
Goodwill impairment loss   0 0 0 0
Research and development expense   2,257,000 2,572,000 7,261,000 6,992,000
Advertising expense   321,000 571,000 $ 928,000 1,425,000
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   (0.17%) 0.00% (0.21%) 0.00%
Weighted average shares included in computation of earning per share (in shares) | shares       482,906 493,900
Number of operating segments | segment       1  
Desktop Metal          
Financing Receivable, Impaired [Line Items]          
Long-term purchase commitment amount $ 20,000,000        
Purchase obligation $ 20,000,000        
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