The month and year (YYYY-MM) in which the debt instrument is scheduled to be fully repaid.

No definition available.

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- Definition

Number of installments for principal and interest payment.

+ References

No definition available.

+ Details

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- Definition

Percentage of original loan principal due at maturity.

+ References

No definition available.

+ Details

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- Definition

The amount of a specific compensating balance arrangement that is maintained under an agreement for a bank loan or future credit availability.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 1

-Article 5

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-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.1)

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Balance Type:	debit
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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- Definition

Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 20

-Article 5

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-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 16

-Article 9

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of assets pledged to secure a debt instrument.

+ References

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-Publisher FASB

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-Topic 942

-SubTopic 470

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-Paragraph 3

-Subparagraph (d)

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

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-Publisher FASB

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-Topic 835

-SubTopic 30

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-Topic 835

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+ Details

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Period Type:	instant

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

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-Article 5

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-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(1))

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- Details

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- Definition

Description of the maturity date of the debt instrument including whether the debt matures serially and, if so, a brief description of the serial maturities.

+ References

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 22

-Article 5

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-Paragraph 1

-Subparagraph (SX 210.5-02.22(a)(2))

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- Definition

Amount of the required periodic payments applied to principal.

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-Publisher FASB

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-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.22)

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-Number 210

-Section 02

-Paragraph 22

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- Definition

The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 1A

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-Paragraph 8

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- Definition

Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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-Topic 230

-SubTopic 10

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-Paragraph 28

-Subparagraph (b)

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-SubTopic 50

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-Paragraph 2

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-Topic 470

-SubTopic 50

-Section 40

-Paragraph 4

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 20

-Section 50

-Paragraph 1

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-Topic 942

-SubTopic 225

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-04.9)

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-Name Regulation S-X (SX)

-Number 210

-Section 04

-Paragraph 9

-Article 9

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- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.16)

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 20, 22

-Article 5

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-Name Accounting Standards Codification

-Topic 944

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.7-03.16)

-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

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Balance Type:	credit
Period Type:	instant

- Definition

Date the credit facility terminates, in CCYY-MM-DD format.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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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 210.5-02.19(b),22(b))

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-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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Data Type:	xbrli:monetaryItemType
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Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

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Balance Type:	credit
Period Type:	instant

- 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

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Period Type:	instant

- Definition

The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

+ References

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- Definition

Carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer), excluding current portion.

+ References

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Balance Type:	credit
Period Type:	instant

- Definition

Amount of cash inflow from contractual arrangement with the lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.4-08.(f))

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-Name Regulation S-X (SX)

-Number 210

-Section 08

-Paragraph f

-Article 4

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-Glossary Financing Activities

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-Topic 230

-SubTopic 10

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-Paragraph 14

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3255-108585

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Balance Type:	debit
Period Type:	duration

- Definition

Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.8)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

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Namespace Prefix:	us-gaap_
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Balance Type:	debit
Period Type:	duration

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Debt - Additional Information (Detail) (USD $)	3 Months Ended	12 Months Ended			0 Months Ended	1 Months Ended	0 Months Ended	1 Months Ended	0 Months Ended
Debt - Additional Information (Detail) (USD $)	Dec. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2013	Aug. 31, 2012 Installment	Aug. 31, 2012	Mar. 31, 2012 Installment
Debt Instrument [Line Items]
Outstanding balance of term loan	$ 34,643,000us-gaap_DebtInstrumentCarryingAmount	$ 24,733,000us-gaap_DebtInstrumentCarryingAmount	$ 34,643,000us-gaap_DebtInstrumentCarryingAmount		$ 34,643,000us-gaap_DebtInstrumentCarryingAmount	$ 34,643,000us-gaap_DebtInstrumentCarryingAmount
Unamortized Discount	416,000	156,000	416,000		416,000	416,000
The loss which has been charged to interest expense	(1,800,000)
Interest expense		2,007,000us-gaap_InterestExpense	5,384,000us-gaap_InterestExpense	1,503,000us-gaap_InterestExpense
Long-term debt	24,356,000us-gaap_LongTermDebtNoncurrent	7,813,000us-gaap_LongTermDebtNoncurrent	24,356,000us-gaap_LongTermDebtNoncurrent		24,356,000us-gaap_LongTermDebtNoncurrent	24,356,000us-gaap_LongTermDebtNoncurrent
Silicon Valley Bank Aug 2013 Mezzanine Term Loan
Debt Instrument [Line Items]
Term loan					15,000,000
TriplePoint 2012 Capital Growth Loan (part 1)
Debt Instrument [Line Items]
The loss which has been charged to interest expense						1,833,000
Non-cash interest expense						1,342,000
Interest expense						491,000
Revolving Credit Facility
Debt Instrument [Line Items]
Interest rate on debt		3.50%
Unamortized Discount		149,000
Debt instrument maturity date, month and year		2015-08
Revolving line of credit, maximum borrowing amount		15,000,000
Debt instrument maturity date		Aug. 13, 2015
Borrowing under the revolving line of credit facility		10,778,000
Line of credit, available borrowing capacity		3,556,000
Revolving Credit Facility \| Required Cash Balances Maintained With Silicon Valley Bank \| Prime Rate
Debt Instrument [Line Items]
Percentage of margin		0.25%
Revolving Credit Facility \| Required Cash Balances Maintained With Silicon Valley Bank \| LIBOR Rate
Debt Instrument [Line Items]
Percentage of margin		3.25%
Revolving Credit Facility \| Required Cash Balances Not Maintained With Silicon Valley Bank \| Prime Rate
Debt Instrument [Line Items]
Percentage of margin		0.50%
Revolving Credit Facility \| Required Cash Balances Not Maintained With Silicon Valley Bank \| LIBOR Rate
Debt Instrument [Line Items]
Percentage of margin		3.50%
Triple Point Equipment Term Loan
Debt Instrument [Line Items]
Number of monthly installments for principal and interest payment							36
Percentage of final terminal payment of original loan principal at maturity								10.00%
Final terminal payment due at maturity								970,000
Outstanding balance of term loan		1,725,000
Unamortized Discount		5,000
Debt instrument maturity date, month and year		2015-08
Term loan							9,691,000	9,691,000
Term loan fixed interest rate							5.75%	5.75%
Amount of equipment pledged as collateral							9,691,000	9,691,000
Silicon Valley Bank
Debt Instrument [Line Items]
Outstanding balance of term loan	29,111,000	23,008,000	29,111,000		29,111,000	29,111,000
Silicon Valley Bank \| Minimum
Debt Instrument [Line Items]
Debt covenant requirement		10,000,000
Silicon Valley Bank \| 2012 Capital Growth Term Loan
Debt Instrument [Line Items]
Term loan									8,000,000
Number of monthly installments for principal and interest payment									36
Interest rate on debt		3.50%
Percentage of final terminal payment of original loan principal at maturity		0.50%
Final terminal payment due at maturity		40,000
Outstanding balance of term loan		667,000
Unamortized Discount		2,000
Debt instrument maturity date, month and year		2015-03
Silicon Valley Bank \| 2012 Capital Growth Term Loan \| Required Cash Balances Maintained With Silicon Valley Bank \| Prime Rate
Debt Instrument [Line Items]
Percentage of margin		0.25%
Silicon Valley Bank \| 2012 Capital Growth Term Loan \| Required Cash Balances Maintained With Silicon Valley Bank \| LIBOR Rate
Debt Instrument [Line Items]
Percentage of margin		3.25%
Silicon Valley Bank \| 2012 Capital Growth Term Loan \| Required Cash Balances Not Maintained With Silicon Valley Bank \| Prime Rate
Debt Instrument [Line Items]
Percentage of margin		0.50%
Silicon Valley Bank \| 2012 Capital Growth Term Loan \| Required Cash Balances Not Maintained With Silicon Valley Bank \| LIBOR Rate
Debt Instrument [Line Items]
Percentage of margin		3.50%
Silicon Valley Bank \| 2013 Capital Growth Term Loan
Debt Instrument [Line Items]
Term loan	15,000,000		15,000,000		15,000,000	15,000,000
Number of monthly installments for principal and interest payment					48
Interest rate on debt		4.00%
Outstanding balance of term loan		11,563,000
Long-term debt		$ 7,813,000
Debt instrument, maturity, description		due beyond December 31, 2015
Silicon Valley Bank \| 2013 Capital Growth Term Loan \| Required Cash Balances Maintained With Silicon Valley Bank \| Prime Rate
Debt Instrument [Line Items]
Percentage of margin			0.75%
Silicon Valley Bank \| 2013 Capital Growth Term Loan \| Required Cash Balances Maintained With Silicon Valley Bank \| LIBOR Rate
Debt Instrument [Line Items]
Percentage of margin			3.75%
Silicon Valley Bank \| 2013 Capital Growth Term Loan \| Required Cash Balances Not Maintained With Silicon Valley Bank \| Prime Rate
Debt Instrument [Line Items]
Percentage of margin			1.00%
Silicon Valley Bank \| 2013 Capital Growth Term Loan \| Required Cash Balances Not Maintained With Silicon Valley Bank \| LIBOR Rate
Debt Instrument [Line Items]
Percentage of margin			4.00%