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Debt and Interest - Additional Information (Detail) (USD $)
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3 Months Ended | 3 Months Ended | 3 Months Ended | |||||||
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Mar. 31, 2014
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Mar. 31, 2013
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Dec. 31, 2013
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Mar. 31, 2014
Ovamed GmbH [Member]
Licensing Agreements [Member]
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Mar. 31, 2014
Israel Discount Bank of New York [Member]
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Mar. 31, 2014
IDB Promissory Note Payable [Member]
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Feb. 13, 2014
IDB Promissory Note Payable [Member]
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Mar. 31, 2014
Hercules Note Payable [Member]
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Mar. 31, 2013
Hercules Note Payable [Member]
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Feb. 13, 2014
Hercules Note Payable [Member]
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| Debt Instrument [Line Items] | ||||||||||
| Long-term Debt, Gross | $ 14,000,000 | $ 14,000,000 | $ 13,200,000 | |||||||
| Debt Instrument, Periodic Payment | 14,000,000 | |||||||||
| Debt Instrument, Periodic Payment, Principal | 13,200,000 | |||||||||
| Debt Instrument Term Charges | 400,000 | |||||||||
| Debt Instrument, Fee Amount | 300,000 | |||||||||
| Debt Instrument, Periodic Payment, Interest | 100,000 | |||||||||
| Debt Instrument, Annual Principal Payment | 500,000 | |||||||||
| Debt Instrument, Face Amount | 15,000,000 | |||||||||
| Debt Instrument, Unused Borrowing Capacity, Amount | 100,000 | |||||||||
| Interest Expense, Debt | 966,000 | 476,000 | 42,000 | 845,000 | 438,000 | |||||
| Accretion of Discount | 435,000 | 91,000 | ||||||||
| Amortization of Debt Discount (Premium) | 44,000 | 5,000 | ||||||||
| Other Liabilities, Noncurrent | $ 1,066,000 | $ 1,077,000 | $ 716,000 | |||||||
| Debt Instrument, Maturity Date | Feb. 13, 2016 | |||||||||
| Debt Instrument, Interest Rate Terms | The unpaid principal amount of each advance shall bear interest at a rate per annum equal to the rate payable on the Companys money market account of 0.75% plus a margin of 150 basis points. | |||||||||
| Debt Instrument, Basis Spread on Variable Rate | 0.75% | |||||||||
| Debt Instrument, Description of Variable Rate Basis | 150 | |||||||||
| X | ||||||||||
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- Definition
Represents the term charges on debt as of the balance sheet date. No definition available.
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| X | ||||||||||
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- Definition
Amount of increase (decrease) in standardized measure of discounted future net cash flow as a result of passage of time. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the total principal payments made during the annual reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Percentage points added to the reference rate to compute the variable rate on the debt instrument. No definition available.
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| X | ||||||||||
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- 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. No definition available.
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| X | ||||||||||
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- Definition
Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the fee that accompanies borrowing money under the debt instrument. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the required periodic payments including both interest and principal payments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the required periodic payments applied to interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the required periodic payments applied to principal. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of unused borrowing capacity under the long-term financing arrangement that is available to the entity as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Aggregate carrying amount, as of the balance sheet date, of noncurrent obligations not separately disclosed in the balance sheet. Noncurrent liabilities are expected to be paid after one year (or the normal operating cycle, if longer). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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