Amount of equity securities offering.

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Notice period for repayment of term loan.

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Warrant exercise price.

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Warrant expiration period.

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Expiration date of warrants held.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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Expiration, mandatory redemption, or due date, in CCYY-MM-DD format, of the financial instrument issued in exchange for the original debt being converted in a noncash or part noncash transaction.

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

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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.

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

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Amount of the fee that accompanies borrowing money under the debt instrument.

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

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Date the debt instrument was issued, in CCYY-MM-DD format.

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

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Description of the sources of interest rate risk exposure faced by the entity.

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The amount of expense provided in the period for legal costs incurred on or before the balance sheet date pertaining to resolved, pending or threatened litigation, including arbitration and mediation proceedings.

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-Subparagraph (SX 210.5-03.3)

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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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Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

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Period remaining on line of credit facility before it terminates, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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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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.

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The amount of revenue that would have been recognized in the year of adoption if the related arrangements entered into or materially modified after the effective date were subject to the measurement requirements of the guidance that was amended.

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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Notes Payable - Additional Information (Detail) (USD $)	0 Months Ended	3 Months Ended	12 Months Ended	0 Months Ended
Notes Payable - Additional Information (Detail) (USD $)	Sep. 03, 2013	Mar. 31, 2014	Dec. 31, 2014	Sep. 26, 2014
Debt Instrument [Line Items]
Debt instrument, facility fee amount			$ 75,000us-gaap_DebtInstrumentFeeAmount
Warrants expire in years			7 years
Approximated Amount of debt discount			129,000us-gaap_DebtInstrumentCarryingAmount
Fair value of warrants on the issue date			54,000us-gaap_DebtInstrumentFairValue
Debt instrument, legal fees			30,000us-gaap_LegalFees
Stockholders equity note, stock split, conversion ratio	1.1533	0.2
Warrants expiration date			January 16, 2022
Amended and Restated Loan Agreement [Member]
Debt Instrument [Line Items]
Term loan aggregate principal amount				25,000,000
Period of interest description			The Company is entitled to make interest-only payments for 12 months, which interest-only period is extended to 18 months if the Company receives 510(k) clearance for its SurgiBot System at any time before October 31, 2015
Debt instrument, accrued interest percentage			3.33%
Debt instrument, facility fee amount			75,000
Warrants expire in years			7 years
Amended and Restated Loan Agreement [Member] \| Surgi Bot [Member]
Debt Instrument [Line Items]
Trailing six-month revenues recognition				10,000,000
Amended and Restated Loan Agreement [Member] \| First Tranche [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Amount of borrowing under agreement				5,604,000
Amended and Restated Loan Agreement [Member] \| First Tranche [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Amount of borrowing under agreement				10,000,000
Amended and Restated Loan Agreement [Member] \| Second Tranche [Member]
Debt Instrument [Line Items]
Amount of borrowing under agreement				5,000,000
Borrowing agreement expiration date				1 year
Amended and Restated Loan Agreement [Member] \| Second Tranche [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Amount of equity securities offering			35,000,000
Amended and Restated Loan Agreement [Member] \| Third Tranche [Member]
Debt Instrument [Line Items]
Borrowing agreement expiration date				2 years
Amended and Restated Loan Agreement [Member] \| Third Tranche [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Amount of borrowing under agreement				10,000,000
Amended and Restated Loan Agreement [Member] \| Without Interest Only Extension [Member]
Debt Instrument [Line Items]
Maturity date of the term loans				Apr. 01, 2018
Amended and Restated Loan Agreement [Member] \| With Interest Only Extension [Member]
Debt Instrument [Line Items]
Maturity date of the term loans				Oct. 01, 2018
Libor [Member]
Debt Instrument [Line Items]
Term loan fixed interest rate			7.50%
Loan and Security Agreement [Member]
Debt Instrument [Line Items]
Note issuance date			Jan. 17, 2012
Issuance of promissory note as part of merger transaction			10,000,000
Maturity date			Jan. 01, 2016
Term loan fixed interest rate			8.75%
Outstanding principal amount of the original loan agreement				5,604,000
Notice period for repayment of term loan			10 days
Debt instrument, basis spread on variable rate			5.00%
Class of warrant or right, number of securities called by warrants or rights			1,397,939
Warrant exercise price			$ 0.29
Loan and Security Agreement [Member] \| Without Interest Only Extension [Member]
Debt Instrument [Line Items]
Final payment fee percentage			5.45%
Loan and Security Agreement [Member] \| With Interest Only Extension [Member]
Debt Instrument [Line Items]
Final payment fee percentage			6.75%
Loan and Security Agreement [Member] \| Term A Loan [Member]
Debt Instrument [Line Items]
Issuance of promissory note as part of merger transaction			4,000,000
Loan and Security Agreement [Member] \| Term B Loan [Member]
Debt Instrument [Line Items]
Issuance of promissory note as part of merger transaction			$ 6,000,000