CONDENSED BALANCE SHEETS (USD $)	Dec. 31, 2011	Mar. 31, 2011
ASSETS
Cash and cash equivalents	$ 5,413,804	$ 5,463,659
Other assets	14,400	75,938
Assets	5,428,204	5,539,597
LIABILITIES
Accounts payable & accrued expenses	169,046	112,546
Accounts payable affiliates (Note C)	24,929,312	24,721,709
Capital contributions payable	91,360	93,144
Liabilities	25,189,718	24,927,399
PARTNERS' CAPITAL (DEFICIT)
Limited partnership interest	(17,708,621)	(17,338,646)
General Partner	(2,052,893)	(2,049,156)
Partners' capital (deficit)	(19,761,514)	(19,387,802)
Liabilities and Stockholders' Equity	5,428,204	5,539,597
Series Fifteen [Member]
ASSETS
Cash and cash equivalents	587,432	299,446
Other assets	0	69,038
Assets	587,432	368,484
LIABILITIES
Accounts payable & accrued expenses	48,746	38,746
Accounts payable affiliates (Note C)	4,100,883	4,071,131
Capital contributions payable	0	0
Liabilities	4,149,629	4,109,877
PARTNERS' CAPITAL (DEFICIT)
Limited partnership interest	(3,204,386)	(3,381,790)
General Partner	(357,811)	(359,603)
Partners' capital (deficit)	(3,562,197)	(3,741,393)
Liabilities and Stockholders' Equity	587,432	368,484
Series Sixteen [Member]
ASSETS
Cash and cash equivalents	504,579	416,806
Other assets	0	2,500
Assets	504,579	419,306
LIABILITIES
Accounts payable & accrued expenses	44,000	12,500
Accounts payable affiliates (Note C)	8,544,254	8,404,538
Capital contributions payable	50,008	51,792
Liabilities	8,638,262	8,468,830
PARTNERS' CAPITAL (DEFICIT)
Limited partnership interest	(7,585,737)	(7,502,420)
General Partner	(547,946)	(547,104)
Partners' capital (deficit)	(8,133,683)	(8,049,524)
Liabilities and Stockholders' Equity	504,579	419,306
Series Seventeen [Member]
ASSETS
Cash and cash equivalents	367,485	328,413
Other assets	4,400	4,400
Assets	371,885	332,813
LIABILITIES
Accounts payable & accrued expenses	63,500	48,500
Accounts payable affiliates (Note C)	6,927,657	6,931,537
Capital contributions payable	22,798	22,798
Liabilities	7,013,955	7,002,835
PARTNERS' CAPITAL (DEFICIT)
Limited partnership interest	(6,154,872)	(6,182,544)
General Partner	(487,198)	(487,478)
Partners' capital (deficit)	(6,642,070)	(6,670,022)
Liabilities and Stockholders' Equity	371,885	332,813
Series Eighteen [Member]
ASSETS
Cash and cash equivalents	111,074	293,045
Other assets	10,000	0
Assets	121,074	293,045
LIABILITIES
Accounts payable & accrued expenses	0	0
Accounts payable affiliates (Note C)	5,356,518	5,314,503
Capital contributions payable	18,554	18,554
Liabilities	5,375,072	5,333,057
PARTNERS' CAPITAL (DEFICIT)
Limited partnership interest	(4,891,230)	(4,679,384)
General Partner	(362,768)	(360,628)
Partners' capital (deficit)	(5,253,998)	(5,040,012)
Liabilities and Stockholders' Equity	121,074	293,045
Series Nineteen [Member]
ASSETS
Cash and cash equivalents	3,843,234	4,125,949
Other assets	0	0
Assets	3,843,234	4,125,949
LIABILITIES
Accounts payable & accrued expenses	12,800	12,800
Accounts payable affiliates (Note C)	0	0
Capital contributions payable	0	0
Liabilities	12,800	12,800
PARTNERS' CAPITAL (DEFICIT)
Limited partnership interest	4,127,604	4,407,492
General Partner	(297,170)	(294,343)
Partners' capital (deficit)	3,830,434	4,113,149
Liabilities and Stockholders' Equity	$ 3,843,234	$ 4,125,949