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Commitments and Contingencies. (Details 2) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013
401(k) and Profit Sharing Plan
401(k) employee contribution, maximum (as a percent)	16.50%
401(k) voluntary employer-matching contribution of each employee dollar contributed	60.00%
Chief Executive Officer [Member]
Commitments and Contingencies
Perpetually renewable employment term	1 year
Annual base salary payable for the remaining quarter of 2013 and for the full year of 2014	$ 563

Carrying value as of the balance sheet date of the obligations incurred through that date and payable for employees' services provided. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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