Commitments and Contingencies (Details) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012
Summary of minimum rental commitments under operating and capital leases
Remainder of 2012, Operating Leases	$ 453
2013, Operating Leases	1,795
2014, Operating Leases	1,762
2015, Operating Leases	2,025
2016, Operating Leases	2,038
2017 and thereafter, Operating Leases	10,201
Minimum lease payments, Operating Leases	18,274
Less amount representing interest, Operating Leases
Net Minimum Payments, Operating Leases	18,274
Remainder of 2012, Capital Leases	84
2013, Capital Leases	322
2014, Capital Leases	42
2015, Capital Leases
2016, Capital Leases
2017 and thereafter, Capital Leases
Minimum lease payments, Capital Leases	448
Less amount representing interest, Capital Leases	22
Net Minimum Payments, Capital Leases	$ 426

Capital leases future minimum payments due in five years and thereafter.

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Capital leases future minimum payments due in one year.

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Operating leases future minimum payments interest included in payments.

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Amount of minimum lease payments for capital leases.

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Amount of minimum lease payments maturing in the next fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the forth fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the third fiscal year following the latest fiscal year for capital leases.

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Amount of minimum lease payments maturing in the second fiscal year following the latest fiscal year for capital leases.

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Amount necessary to reduce net minimum lease payments to present value for capital leases.

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Present value of minimum lease payments for capital leases net of executory costs, including amounts paid by the lessee to the lessor for insurance, maintenance and taxes.

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Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

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