Commitments and Contingencies - Additional Information (Detail)
$ in Millions
Jun. 30, 2018
|Commitments and Contingencies Disclosure [Line Items]|
|Payment required under certain channel distribution agreement upon revenue target achieved||$ 0.5|
Amount of contractual obligation, including but not limited to, long-term debt, capital lease obligations, operating lease obligations, purchase obligations, and other commitments.
No definition available.