Statements of Changes in Members' Capital (USD $)	3 Months Ended				12 Months Ended
	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Net income	$ (1,546,000)	$ (1,369,000)	$ (331,000)	$ 625,000	$ (5,912,000)	$ (171,000)	$ (5,379,000)
SBS
Members' capital, Beginning		18,196,500		16,811,116	18,196,500	16,811,116	19,211,152
Distributions to members					(2,473,529)	(193,792)	(2,417,244)
Net income					192,891	1,579,176	17,208
Members' capital, Ending	$ 15,915,862		$ 18,196,500		$ 15,915,862	$ 18,196,500	$ 16,811,116