Stock-Based Compensation - Additional Information (Detail) - USD ($)
$ in Millions |
|
9 Months Ended |
Jan. 02, 2016 |
Sep. 30, 2016 |
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
|
| Options granted under plan |
|
657,500
|
| Options cancelled under plan |
|
111,000
|
| Unrecognized compensation cost related to unvested share-based arrangements |
|
$ 19.3
|
| Weighted average compensation cost recognition period |
|
2 years 3 months 22 days
|
| 2015 Plan [Member] |
|
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
|
| Stock options reserved for future issuance |
|
1,200,000
|
| Description of annual increase in percentage of share reserved for issuance |
|
The Share Reserve will automatically increase on January 1 of each year, for the period commencing on (and including) January 1, 2016 and ending on (and including) January 1, 2025, in an amount equal to 5% of the total number of shares of common stock outstanding on December 31 of the preceding calendar year.
|
| Share based compensation, increase in shares issued |
880,430
|
|
| Percentage of shares |
5.00%
|
|
| Total shares available for future issuance |
|
385,763
|
| 2015 Plan [Member] | Restricted Stock Units [Member] |
|
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
|
| Options granted under plan |
|
205,000
|
| Options cancelled under plan |
|
25,000
|
| 2015 Plan [Member] | Employee Stock Option [Member] |
|
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
|
| Options granted under plan |
|
657,500
|
| Options cancelled under plan |
|
25,056
|
| 2015 Plan [Member] | Maximum [Member] |
|
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
|
| Inducement stock options, vesting period |
|
4 years
|
| 2015 Plan [Member] | Minimum [Member] |
|
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
|
| Inducement stock options, vesting period |
|
1 year
|
| 2015 Equity Incentive Plan Including Prior Plans [Member] | Maximum [Member] |
|
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
|
| Stock options reserved for future issuance |
|
2,000,000
|
| 2015 Inducement Plan [Member] |
|
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
|
| Stock options reserved for future issuance |
|
73,167
|
| Options granted under plan |
|
0
|
| 2015 Inducement Plan [Member] | Employee Stock Option [Member] |
|
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
|
| Options cancelled under plan |
|
66,667
|
| 2006 Equity Incentive Plan [Member] |
|
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
|
| Shares remained available for issuance |
|
0
|
| 2006 Equity Incentive Plan [Member] | Restricted Stock Units [Member] |
|
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
|
| Options cancelled under plan |
|
15,000
|
| 2006 Equity Incentive Plan [Member] | Employee Stock Option [Member] |
|
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
|
| Options cancelled under plan |
|
19,277
|
| 2014 Equity Incentive Plan [Member] |
|
|
| Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |
|
|
| Shares remained available for issuance |
|
0
|