Summary of Significant Accounting Policies Net Income per BUC (Tables)

12 Months Ended

Dec. 31, 2014

Summary of Significant Accounting Policies [Abstract]

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

 The following table provides a reconciliation of net income per BUC holder:

		Years Ended December 31,
		2014			2013			2012
Calculation of unitholders' interest in income (loss) from continuing operations:
	Income from continuing operations	$	15,029,188		$	14,534,438		$	2,763,762
	Less: general partners' interest in income	1,056,316			1,381,872			331,403
	Unallocated loss related to variable interest entities	(635,560		)	(1,116,262		)	(1,522,846		)
	Noncontrolling interest	(4,673		)	261,923			549,194
	Unitholders' interest in income from continuing operations	$	14,613,105		$	14,006,905		$	3,406,011
Calculation of Unitholders' interest in income from discontinued operations:
	Income from discontinued operations	$	—		$	3,442,404		$	2,232,276
	Less: general partner's interest in income	—			34,424			359,909
	Unallocated income related to variable interest entities	—			—			—
	Unitholders' interest in discontinued operations	$	—		$	3,407,980		$	1,872,367
Calculation of unitholders' interest in net income (loss)
	Net income	$	15,029,188		$	17,976,842		$	4,996,038
	Less: general partners' interest in net income	1,056,316			1,416,296			691,312
	Unallocated (loss) related to variable interest entities	(635,560		)	(1,116,262		)	(1,522,846		)
	Noncontrolling interest	(4,673		)	261,923			549,194
	Unitholders' interest in net income (loss)	$	14,613,105		$	17,414,885		$	5,278,378
Weighted average number of units outstanding (basic and diluted)		59,431,010			43,453,476			37,367,600
Unitholders' interest in net income per BUC (basic and diluted):
	Income from continuing operations	$	0.25		$	0.32		$	0.09
	Income from discontinued operations	—			0.08			0.05
	Net income	$	0.25		$	0.40		$	0.14