Additional loan fee payable to lender.

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Common stock warrants fair value.

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Fair value assumptions warrant expected term.

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Line of credit facility amendment date.

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Percentage of lender fee on revolving loan facility.

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Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense.

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Exercise price per share or per unit of warrants or rights outstanding.

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The number of warrants issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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

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Expected dividends to be paid to holders of the underlying shares or financial instruments (expressed as a percentage of the share or instrument's price).

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Risk-free interest rate assumption used in valuing an instrument.

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

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

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Description of the frequency of periodic payments, which may be presented in a variety of ways (for example, monthly, quarterly, annually).

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Date the credit facility first became available, in CCYY-MM-DD format.

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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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Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The carrying value as of the balance sheet date of the noncurrent portion 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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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Financial Liabilities - Additional Information (Detail) - USD ($)			1 Months Ended	3 Months Ended
	Nov. 10, 2014	Aug. 08, 2014	Mar. 31, 2014	Mar. 31, 2015	Mar. 31, 2014	Jun. 30, 2014	Aug. 14, 2013	Nov. 30, 2010
Debt Instrument [Line Items]
Borrowing capacity under credit facility			$ 10,000,000		$ 10,000,000
Additional interest expense					1,600,000
Write off of deferred cost					900,000
Write off of discounts on loan					600,000
Prepayment fees on advances, net					100,000
Net proceeds from term loan and credit agreement			7,800,000
Warrant exercise price							$ 10.00	$ 26.50
Revolving credit agreement amendment date	Nov. 10, 2014
Revolving credit agreement date	Mar. 31, 2014
Credit facility and term loan maturity date	Mar. 31, 2017
Percentage of lender fee on revolving loan facility	0.333%
Fee payable to lender	$ 100,000
Additional loan fee payable to lender	75,000
Amended Credit Agreement
Debt Instrument [Line Items]
Amount borrowed under term loan				$ 14,300,000
Borrowing capacity under credit facility	$ 30,000,000
Credit facility and term loan maturity date	Nov. 10, 2017
Debt instrument, payment terms				monthly
Revolving credit facility interest rate term				Under the terms of the Amended Credit Agreement, both the principal amount of the Term Loan and the principal amount outstanding under the Revolving Loan Facility bear interest at a floating rate equal to: (a) if the Company holds more than $30.0 million in cash with Opus, the greater of (i) the prime rate plus 1.50% and (ii) 4.75%; (b) if the Company holds $30.0 million or less but more than $20.0 million in cash with Opus, the greater of (i) the prime rate plus 2.25% and (ii) 5.50%; or (c) if the Company holds $20.0 million or less in cash with Opus, the greater of (i) the prime rate plus 2.75% and (ii) 6.00%. Interest on both facilities continues to be payable monthly.
Amended Credit Agreement \| Scenario One
Debt Instrument [Line Items]
Debt instrument, interest rate	4.75%
Amended Credit Agreement \| Scenario One \| Minimum
Debt Instrument [Line Items]
Cash held with opus	$ 30,000,000
Amended Credit Agreement \| Scenario Two
Debt Instrument [Line Items]
Debt instrument, interest rate	5.50%
Amended Credit Agreement \| Scenario Two \| Minimum
Debt Instrument [Line Items]
Cash held with opus	$ 20,000,000
Amended Credit Agreement \| Scenario Two \| Maximum
Debt Instrument [Line Items]
Cash held with opus	$ 30,000,000
Amended Credit Agreement \| Scenario Three
Debt Instrument [Line Items]
Debt instrument, interest rate	6.00%
Amended Credit Agreement \| Scenario Three \| Maximum
Debt Instrument [Line Items]
Cash held with opus	$ 20,000,000
Prime Rate \| Amended Credit Agreement \| Scenario One
Debt Instrument [Line Items]
Percentage points added to base rate	1.50%
Prime Rate \| Amended Credit Agreement \| Scenario Two
Debt Instrument [Line Items]
Percentage points added to base rate	2.25%
Prime Rate \| Amended Credit Agreement \| Scenario Three
Debt Instrument [Line Items]
Percentage points added to base rate	2.75%
Bank Term Loan
Debt Instrument [Line Items]
Write off of discounts on loan			500,000
Opus Bank
Debt Instrument [Line Items]
Amount borrowed under term loan			10,000,000		10,000,000
Borrowing capacity under credit facility			10,000,000		10,000,000
Amount drawn under credit facility			4,000,000		$ 4,000,000	$ 2,000,000
Debt issuance cost			$ 170,000
Warrants issued to purchase common stock			100,000
Warrant exercise price			$ 9.90		$ 9.90
Private placement warrant estimated volatility			92.09%
Private placement warrant dividend yield			0.00%
Private placement warrant expected life (in years)			5 years
Private placement warrant risk free interest rate			1.73%
Private placement warrant fair value			$ 800,000		$ 800,000
Bank Revolving Loan Facility
Debt Instrument [Line Items]
Repaid on revolving credit facility		$ 1,700,000
Deferred charges			400,000		$ 400,000
Bank Revolving Loan Facility \| Opus Bank \| Bank Term Loan
Debt Instrument [Line Items]
Payments of debt issuance costs			$ 900,000