Commitments and Contingencies (Details Textual) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013 sqft	Mar. 31, 2012
Commitments and Contingencies (Additional Textual) [Abstract]
Leasehold improvement allowance	$ 191
Deferred rent credit balance	60
Leases office space for Canadian operations approximate	10
Rent expense under the operating leases	88	95
Interest rate prime plus	1.50%
Reduced capacity amount under Loan and Security Agreement	1,260
Percentage of borrowing base on eligible accounts receivable	75.00%
Percentage of borrowing base on eligible inventory	50.00%
Percentage of borrowing base on outstanding foreign exchange contract	10.00%
Revolving line-of-credit up to	240
Minimum amount of tangible networth	1,680
Percentage of increase in tangible net worth on base of net income	50.00%
Percentage of increase in tangible net worth on base of proceeds from future issuances of equity	50.00%
Registered direct offering of equity securities	1,560
Percentage of ownership interest by outsider	40.00%
Loan and Security Agreement
Commitments and Contingencies (Additional Textual) [Abstract]
Line of credit maturity date	Mar. 12, 2014
Silicon Valley Bank
Commitments and Contingencies (Additional Textual) [Abstract]
Letter of credit	240
Letter of Credit
Commitments and Contingencies (Additional Textual) [Abstract]
Letter of credit	240
Revolving Credit Facility
Commitments and Contingencies (Additional Textual) [Abstract]
Revolving line-of-credit up to	1,500
Revolving Credit Facility \| Silicon Valley Bank
Commitments and Contingencies (Additional Textual) [Abstract]
Letter of credit	400
Reduced capacity amount under Loan and Security Agreement	$ 157
Lease Agreements
Commitments and Contingencies (Additional Textual) [Abstract]
Lease space for office and warehouse approximately	19

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Leases office space for operations approximate.

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Minimum amount of tangible net worth.

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Percentage of borrowing base on eligible accounts receivable.

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Percentage of borrowing base on eligible inventory.

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Percentage of borrowing base on outstanding foreign exchange contract.

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Percentage of increase in tangible net worth on base of net income.

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Percentage of increase in tangible net worth on base of proceeds from future issuances of equity.

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Registered direct offering of equity securities.

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Area of a real estate property.

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

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

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For a classified balance sheet, the cumulative difference as of the balance sheet date between the payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense, by the lessor or lessee, respectively, within one year of the balance sheet date.

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Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses.

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Gross amount, at the balance sheet date, of long-lived, depreciable assets that are an addition or improvement to assets held under lease arrangement.

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Amount borrowed under the credit facility as of the balance sheet date.

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The effective interest rate during the reporting period.

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

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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