Future Minimum Rental and Lease Payments (Detail)	Dec. 31, 2015 USD ($)
Capital Lease Expenses [Member]
Operating and Capital Leases [Line Items]
Capital Leases 2016	$ 225,000
Capital Leases 2017	0
Capital Leases 2018	0
Capital Leases 2019	0
Capital Leases, Total minimum lease payments	225,000
Less amount representing interest	6,000
Present value of minimum lease payments (current)	219,000
Current portion	219,000
Long-term portion	0
Operating Lease Expenses [Member]
Operating and Capital Leases [Line Items]
Operating Leases 2016	2,829,000
Operating Leases 2017	1,758,000
Operating Leases 2018	355,000
Operating Leases 2019	31,000
Operating Leases, Total minimum lease payments	$ 4,973,000

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Amount of minimum lease payments for capital leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 840
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737

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Amount of minimum lease payments for capital leases due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of minimum lease payments for capital leases due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher SEC
-Name Staff Accounting Bulletin (SAB)
-Number Topic 6
-Section H

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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