Statements of Changes in Members' Capital (USD $)	3 Months Ended				12 Months Ended
	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net income	$ 948,000	$ 28,000	$ (1,546,000)	$ (1,369,000)	$ (6,557,000)	$ (5,912,000)	$ (171,000)
SBS
Members' capital, Beginning		15,915,862		18,196,500	15,915,862	18,196,500	16,811,116
Distributions to members					(26,472)	(2,473,529)	(193,792)
Net income					170,747	192,891	1,579,176
Members' capital, Ending	$ 16,060,137		$ 15,915,862		$ 16,060,137	$ 15,915,862	$ 18,196,500