Employee Benefit Plans (Details Textual) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Description Of Employee Participation In Employee Benefit Plans			The LLC sponsors a 401(k) profit sharing and savings plan for its employees. Employee participation in this plan is voluntary and the LLC matches 50% of eligible employee contributions, up to an amount equal to 3% of employee compensation, on a biweekly basis.
Defined Benefit Plan, Contributions by Plan Participants	$ 39,000	$ 59,000	$ 86,000	$ 142,000