Condensed Consolidated Statements of Partners' Capital (Unaudited) - USD ($)	General Partner [Member]	Limited Partner [Member]	AOCI Attributable to Parent [Member]	Total
Partners’ capital at Dec. 31, 2013	$ 81,000	$ 38,466,000	$ 37,000	$ 38,584,000
Partners’ capital at beginning of period:
Allocation of net income (loss)		(3,232,000)		(3,232,000)
Units issued for cash:
Class A limited partner units (3,600 units), net of fees of $300		8,880,000		8,880,000
Change in pension and severance obligations			3,000	3,000
Partners’ capital at end of period at Jun. 30, 2014	81,000	44,114,000	40,000	44,235,000
Partners’ capital at Mar. 31, 2014	81,000	47,093,000	39,000	47,213,000
Partners’ capital at beginning of period:
Allocation of net income (loss)		(2,979,000)		$ (2,979,000)
Units issued for cash:
Class A limited partner units (3,600 units), net of fees of $300		0
Change in pension and severance obligations			1,000	$ 1,000
Partners’ capital at end of period at Jun. 30, 2014	81,000	44,114,000	40,000	44,235,000
Partners’ capital at Dec. 31, 2014	81,000	41,153,000	(186,000)	41,048,000
Partners’ capital at beginning of period:
Allocation of net income (loss)		$ (587,000)		$ (587,000)
Units issued for cash:
Class A limited partner units (3,600 units), net of fees of $300
Change in pension and severance obligations			3,000	$ 3,000
Partners’ capital at end of period at Jun. 30, 2015	81,000	$ 40,566,000	(183,000)	40,464,000
Partners’ capital at Mar. 31, 2015	81,000	40,495,000	(184,000)	40,392,000
Partners’ capital at beginning of period:
Allocation of net income (loss)		71,000		71,000
Units issued for cash:
Class A limited partner units (3,600 units), net of fees of $300		0		0
Change in pension and severance obligations			1,000	1,000
Partners’ capital at end of period at Jun. 30, 2015	$ 81,000	$ 40,566,000	$ (183,000)	$ 40,464,000