Consolidated Statements of Partners Capital (Restated) (Unaudited) (USD $)	General Partner Capital [Member]	Limited Partners' Capital [Member]	Total OMIF Partners' Capital [Member]	Noncontrolling Interest [Member]	Total
Balances at Dec. 31, 2009	$ 2,512,399	$ 241,338,206	$ 243,850,605	$ 34,656	$ 243,885,261
Balances (in Shares) at Dec. 31, 2009		289,343,902
Net income (loss)	(9,503)	(994,979)	(1,004,482)	804	(1,003,678)
Net income (loss) (in Shares)		379,920
Partners’ distributions	(14,448)	(1,017,079)	(1,031,527)	(10,890)	(1,042,417)
Balances at Jun. 30, 2010	2,488,448	239,326,148	241,814,596	24,570	241,839,166
Balances (in Shares) at Jun. 30, 2010		289,723,822
Balances at Dec. 31, 2010	2,259,916	216,841,448	219,101,364	16,467	219,117,831
Balances (in Shares) at Dec. 31, 2010		290,019,136
Net income (loss)	(17,744)	(1,504,967)	(1,522,711)	485,748	(1,036,963)
Net income (loss) (in Shares)		55,745
Noncontrolling interests of newly consolidated VIE				14,020,191	14,020,191
Contribution from noncontrolling interest				135,944	135,944
Partners’ distributions	(8,467)	(764,698)	(773,165)	(9,228)	(782,393)
Balances at Jun. 30, 2011	$ 2,233,705	$ 214,571,783	$ 216,805,488	$ 14,649,122	$ 231,454,610
Balances (in Shares) at Jun. 30, 2011		290,074,881