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Organization and Summary of Significant Accounting Policies (Details Textual) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Accounting Policies [Line Items]
Limited Liability Company (LLC) or Limited Partnership (LP), Members or Limited Partners, Ownership Interest	60.00%
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount	740,000	740,000
Allowance For Doubtful Other Receivables, Current	$ 5,625		$ 7,506

Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

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