Future Minimum Rental and Lease Payments (Detail) (USD $)	Dec. 31, 2013
Capital Lease
Operating and Capital Leases [Line Items]
Capital Leases 2014	$ 248,000
Capital Leases 2015	248,000
Capital Leases 2016	248,000
Capital Leases 2017	0
Capital Leases 2018	0
Capital Leases Thereafter	0
Capital Leases, Total minimum lease payments	744,000
Less amount representing interest	48,000
Present value of minimum lease payments	696,000
Current portion	222,000
Long-term portion	474,000
Operating Leases
Operating and Capital Leases [Line Items]
Operating Leases 2014	4,623,000
Operating Leases 2015	4,381,000
Operating Leases 2016	3,508,000
Operating Leases 2017	1,734,000
Operating Leases 2018	430,000
Operating Leases Thereafter	50,000
Operating Leases, Total minimum lease payments	$ 14,726,000

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Amount of minimum lease payments for capital leases.

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Amount of minimum lease payments maturing in the next fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the fifth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the forth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the third fiscal year following the latest fiscal year for capital leases.

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Amount of short-term debt and current maturity of long-term debt and capital lease obligations due within one year or the normal operating cycle, if longer.

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Amount necessary to reduce minimum lease payments to present value for sale-leaseback transactions accounted for using the deposit method or as a financing.

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Amount of long-term debt and capital lease obligation due after one year or beyond the normal operating cycle, if longer.

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