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Stock Plans and Stock-Based Compensation - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified |
0 Months Ended | 1 Months Ended | 0 Months Ended | ||
|---|---|---|---|---|---|
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Jun. 03, 2014
|
Sep. 30, 2013
2013 Equity Incentive Plan [Member]
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Sep. 30, 2014
2013 Equity Incentive Plan [Member]
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Sep. 30, 2013
2013 Equity Incentive Plan [Member]
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Sep. 30, 2013
2013 Equity Incentive Plan [Member]
Maximum [Member]
|
|
| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | |||||
| Increased in shares available for issuance | 472,753 | ||||
| Share based compensation arrangement by share based payment award, expiration period | 10 years | ||||
| Share based compensation arrangement percentage increase in share reserved | 5.00% | ||||
| Number of additional shares authorized | 500,000 | ||||
| Share based compensation arrangement number of issued options | 933,647 | ||||
| Adjusted accrued liability to additional paid in capital | $ 0.1 | ||||