CONDENSED BALANCE SHEETS (USD $)	Sep. 30, 2011	Mar. 31, 2011
ASSETS
Cash and cash equivalents	$ 5,260,298	$ 5,463,659
Other assets	4,400	75,938
Assets	5,264,698	5,539,597
LIABILITIES
Accounts payable & accrued expenses	338,574	112,546
Accounts payable affiliates (Note C)	24,662,111	24,721,709
Capital contributions payable	91,360	93,144
Liabilities	25,092,045	24,927,399
PARTNERS' CAPITAL (DEFICIT)
Limited partnership interest	(17,773,797)	(17,338,646)
General Partner	(2,053,550)	(2,049,156)
Partners' capital (deficit)	(19,827,347)	(19,387,802)
Liabilities and Stockholders' Equity	5,264,698	5,539,597
Series Fifteen [Member]
ASSETS
Cash and cash equivalents	393,079	299,446
Other assets	0	69,038
Assets	393,079	368,484
LIABILITIES
Accounts payable & accrued expenses	200,774	38,746
Accounts payable affiliates (Note C)	4,053,900	4,071,131
Capital contributions payable	0	0
Liabilities	4,254,674	4,109,877
PARTNERS' CAPITAL (DEFICIT)
Limited partnership interest	(3,500,790)	(3,381,790)
General Partner	(360,805)	(359,603)
Partners' capital (deficit)	(3,861,595)	(3,741,393)
Liabilities and Stockholders' Equity	393,079	368,484
Series Sixteen [Member]
ASSETS
Cash and cash equivalents	519,998	416,806
Other assets	0	2,500
Assets	519,998	419,306
LIABILITIES
Accounts payable & accrued expenses	49,000	12,500
Accounts payable affiliates (Note C)	8,467,229	8,404,538
Capital contributions payable	50,008	51,792
Liabilities	8,566,237	8,468,830
PARTNERS' CAPITAL (DEFICIT)
Limited partnership interest	(7,499,168)	(7,502,420)
General Partner	(547,071)	(547,104)
Partners' capital (deficit)	(8,046,239)	(8,049,524)
Liabilities and Stockholders' Equity	519,998	419,306
Series Seventeen [Member]
ASSETS
Cash and cash equivalents	341,688	328,413
Other assets	4,400	4,400
Assets	346,088	332,813
LIABILITIES
Accounts payable & accrued expenses	76,000	48,500
Accounts payable affiliates (Note C)	6,851,247	6,931,537
Capital contributions payable	22,798	22,798
Liabilities	6,950,045	7,002,835
PARTNERS' CAPITAL (DEFICIT)
Limited partnership interest	(6,117,140)	(6,182,544)
General Partner	(486,817)	(487,478)
Partners' capital (deficit)	(6,603,957)	(6,670,022)
Liabilities and Stockholders' Equity	346,088	332,813
Series Eighteen [Member]
ASSETS
Cash and cash equivalents	127,458	293,045
Other assets	0	0
Assets	127,458	293,045
LIABILITIES
Accounts payable & accrued expenses	0	0
Accounts payable affiliates (Note C)	5,289,735	5,314,503
Capital contributions payable	18,554	18,554
Liabilities	5,308,289	5,333,057
PARTNERS' CAPITAL (DEFICIT)
Limited partnership interest	(4,818,795)	(4,679,384)
General Partner	(362,036)	(360,628)
Partners' capital (deficit)	(5,180,831)	(5,040,012)
Liabilities and Stockholders' Equity	127,458	293,045
Series Nineteen [Member]
ASSETS
Cash and cash equivalents	3,878,075	4,125,949
Other assets	0	0
Assets	3,878,075	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	4,162,096	4,407,492
General Partner	(296,821)	(294,343)
Partners' capital (deficit)	3,865,275	4,113,149
Liabilities and Stockholders' Equity	$ 3,878,075	$ 4,125,949