Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Hosted Design Solution Agreement - Additional Information (Detail)

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Commitments and Contingencies - Hosted Design Solution Agreement - Additional Information (Detail) - USD ($)
1 Months Ended
Dec. 18, 2015
Jun. 25, 2015
Jun. 30, 2021
Jul. 31, 2018
Jul. 31, 2015
Commitments And Contingencies [Line Items]          
Quarterly payments for service agreement     $ 233,000    
Additional term of agreement     3 years    
Hosted Design Solution Agreement [Member]          
Commitments And Contingencies [Line Items]          
Initial term of agreement   3 years      
Quarterly payments for service agreement $ 198,000     $ 218,000 $ 101,000
Additional term of agreement       3 years