Quarterly report pursuant to Section 13 or 15(d)

Business Combinations and Divestiture - Additional Information (Detail)

v3.23.3
Business Combinations and Divestiture - Additional Information (Detail) - USD ($)
 1 Months Ended 3 Months Ended 4 Months Ended 9 Months Ended 12 Months Ended
Jun. 13, 2023
Aug. 11, 2022
Jun. 10, 2022
Mar. 01, 2022
Jul. 31, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Jun. 30, 2023
Business Acquisition [Line Items]                            
Deferred cash payment                   $ 1,500,000        
Revenue             $ 35,133,000 $ 37,196,000   93,363,000 $ 105,838,000      
Net income             (24,541,000) $ (4,886,000)   (70,800,000) (30,268,000) $ 25,557,000 $ 64,672,000  
Minimum [Member]                            
Business Acquisition [Line Items]                            
Contingent earnout           $ 10,825,000                
VSL Acquisition [Member]                            
Business Acquisition [Line Items]                            
Total consideration   $ 1,952,000                        
Cash payment   1,700,000                        
Deferred consideration   252,000                        
VSL Acquisition [Member] | Developed Technology [Member]                            
Business Acquisition [Line Items]                            
Total intangible assets   $ 1,500,000                        
Estimated useful lives   3 years                        
VSL Acquisition [Member] | General and Administrative Expense [Member]                            
Business Acquisition [Line Items]                            
Acquisition related expenses   $ 272,000                        
Broadbean Acquisition [Member]                            
Business Acquisition [Line Items]                            
Cash payment $ 53,224,000                          
Total intangible assets 27,500,000                          
Deferred tax liability 7,059,000                          
Goodwill deductible for tax purposes $ 3,755,000                          
Revenue                 $ 10,456,000          
Net income                 1,992,000          
Broadbean Acquisition [Member] | Maximum [Member]                            
Business Acquisition [Line Items]                            
Estimated useful lives 5 years                          
Broadbean Acquisition [Member] | Minimum [Member]                            
Business Acquisition [Line Items]                            
Estimated useful lives 4 years                          
Broadbean Acquisition [Member] | Developed Technology [Member]                            
Business Acquisition [Line Items]                            
Total intangible assets $ 10,300,000                          
Estimated useful lives 4 years                          
VocaliD [Member]                            
Business Acquisition [Line Items]                            
Total consideration     $ 3,384,000                      
Cash payment     1,609,000             1,000,000        
Deferred cash payment                   1,000,000        
Deferred consideration     1,785,000                      
Net working capital adjustment     (10,000)                      
Tax deductible goodwill, acquisition     0                      
Deferred tax liability     663,000                      
VocaliD [Member] | Developed Technology [Member]                            
Business Acquisition [Line Items]                            
Total intangible assets     $ 2,700,000                      
Estimated useful lives     3 years                      
VocaliD [Member] | General and Administrative Expense [Member]                            
Business Acquisition [Line Items]                            
Acquisition related expenses                     200,000      
March 2022 Acquisition [Member]                            
Business Acquisition [Line Items]                            
Business acquisition, effective date of acquisition       Mar. 01, 2022                    
Business acquisition, percentage of ownership interests acquired       100.00%                    
Total consideration       $ 5,881,000                    
Cash payment       1,500,000           1,500,000        
Deferred consideration       2,707,000                    
Net working capital adjustment       37,000                    
Total intangible assets       2,700,000                    
Equity consideration at closing       1,929,000                    
Settlement of pre-existing receivable       976,000                    
Acquired cash       684,000                    
Contingent earnout consideration         $ 3,500,000                  
Contingent earnout       $ 3,015,000                    
March 2022 Acquisition [Member] | Maximum [Member]                            
Business Acquisition [Line Items]                            
Estimated useful lives       10 years                    
Contingent earnout consideration       $ 4,500,000                    
March 2022 Acquisition [Member] | Minimum [Member]                            
Business Acquisition [Line Items]                            
Estimated useful lives       3 years                    
March 2022 Acquisition [Member] | General and Administrative Expense [Member]                            
Business Acquisition [Line Items]                            
Acquisition related expenses                     $ 270,000      
Energy Divestiture [Member]                            
Business Acquisition [Line Items]                            
Disposal group including discontinued operation consideration             $ 504,000   $ 504,000 504,000       $ 549,000
Pre-tax Gain                   $ 2,572,000        
Energy Divestiture [Member] | Series B Preferred Stock [Member]                            
Business Acquisition [Line Items]                            
Disposal group including discontinued operation consideration                           $ 2,021,000
Number of shares received from divestiture of business                           4,160,644
Stock Purchase Agreement [Member] | VSL Acquisition [Member]                            
Business Acquisition [Line Items]                            
Business acquisition, effective date of acquisition   Aug. 11, 2022                        
Business acquisition, name of acquired entity   VSL                        
Total consideration   $ 1,952,000                        
Cash payment   1,700,000                        
Deferred cash payment   300,000                        
Deferred consideration   $ 252,000                        
Stock Purchase Agreement [Member] | Broadbean Acquisition [Member]                            
Business Acquisition [Line Items]                            
Business acquisition, effective date of acquisition Jun. 13, 2023                          
Business acquisition, percentage of ownership interests acquired 100.00%                          
Business acquisition, name of acquired entity Broadbean Technology Pty Ltd                          
Total consideration $ 53,224,000                          
Cash payment 53,224,000                          
Stock Purchase Agreement [Member] | Broadbean Acquisition [Member] | General and Administrative Expense [Member]                            
Business Acquisition [Line Items]                            
Acquisition related expenses $ 4,214,000                          
Stock Purchase Agreement [Member] | VocaliD [Member]                            
Business Acquisition [Line Items]                            
Business acquisition, effective date of acquisition     Jun. 10, 2022                      
Business acquisition, percentage of ownership interests acquired     100.00%                      
Business acquisition, name of acquired entity     VocaliD                      
Total consideration     $ 3,384,000                      
Cash payment     1,609,000                      
Deferred cash payment     2,000,000                      
Deferred consideration     1,785,000                      
Net working capital adjustment     $ (10,000)                      
Securities Purchase Agreement [Member] | March 2022 Acquisition [Member]                            
Business Acquisition [Line Items]                            
Business acquisition, effective date of acquisition       Mar. 01, 2022                    
Business acquisition, percentage of ownership interests acquired       100.00%                    
Business acquisition, date of acquisition agreement       Mar. 01, 2022                    
Total consideration       $ 5,881,000                    
Cash payment       1,500,000                    
Deferred cash payment       3,000,000                    
Deferred consideration       2,707,000                    
Net working capital adjustment       37,000                    
Settlement of pre-existing receivable       (976,000)                    
Acquired cash       684,000                    
Contingent earnout consideration         $ 3,500,000                  
Securities Purchase Agreement [Member] | March 2022 Acquisition [Member] | Maximum [Member]                            
Business Acquisition [Line Items]                            
Contingent earnout consideration       4,500,000                    
Securities Purchase Agreement [Member] | March 2022 Acquisition [Member] | Common Stock [Member]                            
Business Acquisition [Line Items]                            
Equity consideration at closing       $ 1,929,000                    
Consideration equity interest issued number of shares       116,550