XML 58 R36.htm IDEA: XBRL DOCUMENT v3.20.2
Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($)
12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2017
Oct. 01, 2019
Credit period granted to customers 30 days        
Depreciation and amortization expense $ 6,677,000 $ 6,111,000 $ 5,727,000    
Capitalised software development costs 2,400 2,300      
Impairment of long lived assets 0 0 0    
Contract assets 0 0      
Contract liabilities 0 0      
Advertising and promotion expenses 1,200 1,300 900    
Contract payments research and development received       $ 0  
Operating lease right of use assets 33,699,000        
Operating lease deferred rent   0      
Operating lease prepaid rent   $ 1,600,000      
Operating lease liabilities $ 31,246,000        
Common stock warrants issued 0 0      
Accounting Standards Update 2018-11 [Member]          
Operating lease right of use assets         $ 35,800,000
Operating lease deferred rent         100,000
Operating lease prepaid rent         1,600,000
Operating lease liabilities         $ 34,300,000
Defense Advanced Research Project Agency [Member]          
Contract payments research and development received $ 200 $ 500 300    
Georgia Institute of Technology [Member] | Development of DNA Synthesis Portion of the Molecular Information Storage [Member]          
Total expected cost of project 6,500,000        
Commitement to contribute towards project cost 2,000,000        
Georgia Institute of Technology [Member] | Development of DNA Synthesis Portion of the Molecular Information Storage [Member] | United States Director General of Intelligence [Member]          
Grant receivable for the project 4,500,000        
Research and development portion of the grant received and recognized $ 2,500,000 $ 0 $ 0    
Software and Software Development Costs [Member]          
Capitalised sofware developed useful life 3 years