Balance Sheets (USD $)	Dec. 31, 2011	Dec. 31, 2010
Assets:
Investment in joint ventures	$ 4,239,485	$ 7,186,841
Cash and cash equivalents	6,535,295	3,059,524
Due from joint ventures	132,459	120,617
Other assets	10,649	0
Total assets	10,917,888	10,366,982
Liabilities:
Accounts payable and accrued expenses	10,192	11,515
Due to affiliates	8,417	9,664
Total liabilities	18,609	21,179
Commitments and Contingencies
Partners' Capital:
Total partners’ capital	10,899,279	10,345,803
Total liabilities and partners’ capital	10,917,888	10,366,982
ClassA Limited Partners [Member]
Partners' Capital:
Limited Partners	10,731,553	10,256,394
Total partners’ capital	10,731,553	10,256,394
Class B Limited Partners [Member]
Partners' Capital:
Limited Partners	166,839	89,409
Total partners’ capital	166,839	89,409
General Partner [Member]
Partners' Capital:
General Partners	887	0
Total partners’ capital	$ 887	$ 0