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Retirement Plans - Additional Information (Detail) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Compensation And Retirement Disclosure [Abstract]
Employer contribution for first 3% of employee contributions			100.00%
Employer contribution for next 2% of employee contributions			50.00%
Percentage of first specified employee contributions			3.00%
Percentage of next specified employee contributions			2.00%
Contribution for retirement plan	$ 14,567	$ 6,138	$ 42,177	$ 36,778

X

- Definition

Percentage of first specified percentage of employee contribution.

+ References

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X

- Definition

Percentage of matching contribution for first specified percentage of employee contribution.

+ References

No definition available.

+ Details

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X

- Definition

Percentage of matching contribution for next specified percentage of employee contribution.

+ References

No definition available.

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X

- Definition

Percentage of next specified percentage of employee contribution.

+ References

No definition available.

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- Definition

Amount of discretionary contributions made by an employer to a defined contribution plan.

+ References

No definition available.

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