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Long-Term Debt (Parenthetical) (Detail) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Schedule of Capitalization Long term Debt Line Of Credit [Line Items]
Long-term debt, net of current portion	$ 0	$ 3,113,000
Debt instrument variable interest rate	LIBOR rate plus 1.75%, which was 1.92%
Ten Year Term With Merrill Lynch One
Schedule of Capitalization Long term Debt Line Of Credit [Line Items]
Long-term debt, net of current portion	3,000,000
Debt instrument, maturity date	Dec. 31, 2017
Debt instrument variable interest rate	ten-year term loan with Merrill Lynch at LIBOR plus 1.3%, approximately 1.51
Ten Year Term With Merrill Lynch Two
Schedule of Capitalization Long term Debt Line Of Credit [Line Items]
Long-term debt, net of current portion	$ 1,500,000
Debt instrument, maturity date	Dec. 31, 2017
Debt instrument variable interest rate	ten-year term loan with Merrill Lynch at LIBOR plus 1.3%, approximately 1.51

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X

- Definition

The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

+ References

No definition available.

+ Details

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- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



Reference 2: 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(a)(2))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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- Definition

Carrying amount of long-term debt, net of unamortized discount or premium, excluding amounts to be repaid within one year or the normal operating cycle, if longer (current maturities). Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5



Reference 2: 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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