Borrowings (Details 3) (USD $)	1 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2011 Y
Term Loan
Term debt	$ 25,787,000	$ 25,787,000
Remaining scheduled principal repayments
Term loan	23,346,000	23,346,000
The remaining scheduled principal repayments:
Capital lease, amount	2,441,000	2,441,000
Master lease facility, amount	5,000,000	5,000,000
Term of capital lease (in months)		48
Ending purchase price of underlying equipment	1	1
Master Loan and Security Agreement (Term Loan Agreement)
Term Loan
Term debt	25,500,000	25,500,000
Term of Term Loan Agreement (in years)		4
Rate of additional interest payable (as a percent)		3.00%
Monthly principal installments		530,600
Interest, margin over base rate (as a percent)	3.00%	3.00%
Interest, base rate		one month London Interbank Offered Rate (LIBOR)
Remaining scheduled principal repayments
2011	1,061,000	1,061,000
2012	6,367,000	6,367,000
2013	6,367,000	6,367,000
2014	6,367,000	6,367,000
2015	3,184,000	3,184,000
Term loan	23,346,000	23,346,000
Draw on lease facility	2,600,000
Fair value of the asset purchased under lease facility on the date of financing	2,400,000	2,400,000
Accrues interest rate (as a percent)	3.00%	3.00%
Deferred gain	200,000	200,000
Lease payable in monthly principal installments		54,000
The remaining scheduled principal repayments:
2011	199,000	199,000
2012	590,000	590,000
2013	606,000	606,000
2014	622,000	622,000
2015	424,000	424,000
Capital lease, amount	$ 2,441,000	$ 2,441,000

Represents the purchase price of the underlying equipment at the end of the capital lease term.

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Amount of the required periodic rent payments applied to principal.

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Contractually required rental payments on leases meeting the criteria for capitalization, due within the first full fiscal year following the date of the most recent balance sheet.

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Contractually required rental payments on leases meeting the criteria for capitalization, due within the fourth full fiscal year following the date of the most recent balance sheet.

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Contractually required rental payments on leases meeting the criteria for capitalization, due within the remainder of the fiscal year following the date of the most recent balance sheet.

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Contractually required rental payments on leases meeting the criteria for capitalization, due within the second full fiscal year following the date of the most recent balance sheet.

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Represents the additional interest rate payable in the event of a default of the terms of the Term Loan Agreement.

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The term of the debt instrument.

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Represents the deferred gain on assets purchased under capital lease obligations.

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Represents the fair value of the assets purchased under capital leases.

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Amount of long-term debt maturing within the first full fiscal year following the date of the latest balance sheet presented in the financial statements.

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Amount of long-term debt maturing within the fourth full fiscal year following the date of the latest balance sheet presented in the financial statements.

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Represents the carrying amount of term loan as of the balance sheet date.

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Amount equal to the present value (the principal) at the beginning of the lease term of minimum lease payments during the lease term (excluding that portion of the payments representing executory costs such as insurance, maintenance, and taxes to be paid by the lessor, together with any profit thereon) net of payments or other amounts applied to the principal through the balance sheet date.

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

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-Article 7

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The total of contractually required rental payments on leases meeting the criteria for capitalization.

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The percentage points added to the reference rate to compute the variable rate on the lessee's capital lease.

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

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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.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of the required periodic payments applied to principal.

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Including current and noncurrent portions, aggregate carrying amount of long-term borrowings as of the balance sheet date. May include notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, which had initial maturities beyond one year or beyond the normal operating cycle, if longer, and after deducting unamortized discount or premiums, if any.

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The cash inflow from proceeds received from lessor related to a long-term capital lease obligation.

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