CONDENSED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended		9 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2011	Dec. 31, 2010
Income
Interest income	$ 6,499	$ 4,843	$ 21,060	$ 17,108
Other income	2,226	25,000	28,450	96,694
Revenues	8,725	29,843	49,510	113,802
Share of Income from Operating Partnerships (Note D)	352,550	286,820	800,440	2,636,120
Expenses
Professional fees	9,630	7,113	153,808	161,017
Fund management fee, net (Note C)	246,200	332,215	727,934	944,460
General and administrative expenses	39,606	50,555	80,090	92,408
Operating Expenses	295,436	389,883	961,832	1,197,885
NET INCOME (LOSS)	65,839	(73,220)	(111,882)	1,552,037
Net income (loss) allocated to limited assignees	65,180	(72,488)	(110,763)	1,536,518
Net income (loss) allocated to general partner	659	(732)	(1,119)	15,519
Net income (loss) per BAC (in dollars per share)	0	0	(0.01)	0.07
Series Fifteen [Member]
Income
Interest income	375	603	1,182	1,796
Other income	49	0	1,318	2,313
Revenues	424	603	2,500	4,109
Share of Income from Operating Partnerships (Note D)	325,050	78,000	325,050	78,000
Expenses
Professional fees	1,898	591	34,627	34,622
Fund management fee, net (Note C)	16,353	29,280	98,566	128,263
General and administrative expenses	7,826	13,833	15,161	23,409
Operating Expenses	26,077	43,704	148,354	186,294
NET INCOME (LOSS)	299,397	34,899	179,196	(104,185)
Net income (loss) allocated to limited assignees	296,403	34,550	177,404	(103,143)
Net income (loss) allocated to general partner	2,994	349	1,792	(1,042)
Net income (loss) per BAC (in dollars per share)	0.08	0.01	0.05	(0.03)
Series Sixteen [Member]
Income
Interest income	444	696	1,501	2,771
Other income	5	0	2,024	3,906
Revenues	449	696	3,525	6,677
Share of Income from Operating Partnerships (Note D)	0	54,920	148,294	187,025
Expenses
Professional fees	2,036	517	37,971	37,341
Fund management fee, net (Note C)	76,074	110,561	179,316	315,374
General and administrative expenses	9,781	11,675	18,691	21,241
Operating Expenses	87,891	122,753	235,978	373,956
NET INCOME (LOSS)	(87,442)	(67,137)	(84,159)	(180,254)
Net income (loss) allocated to limited assignees	(86,568)	(66,466)	(83,317)	(178,451)
Net income (loss) allocated to general partner	(874)	(671)	(842)	(1,803)
Net income (loss) per BAC (in dollars per share)	(0.02)	(0.01)	(0.02)	(0.03)
Series Seventeen [Member]
Income
Interest income	363	1,729	1,361	4,430
Other income	692	0	14,309	11,561
Revenues	1,055	1,729	15,670	15,991
Share of Income from Operating Partnerships (Note D)	27,500	153,900	227,646	856,715
Expenses
Professional fees	1,965	545	32,980	33,672
Fund management fee, net (Note C)	56,290	84,308	165,093	234,636
General and administrative expenses	8,409	9,815	17,291	18,354
Operating Expenses	66,664	94,668	215,364	286,662
NET INCOME (LOSS)	(38,109)	60,961	27,952	586,044
Net income (loss) allocated to limited assignees	(37,728)	60,351	27,672	580,184
Net income (loss) allocated to general partner	(381)	610	280	5,860
Net income (loss) per BAC (in dollars per share)	(0.01)	0.01	0.01	0.12
Series Eighteen [Member]
Income
Interest income	68	488	534	1,927
Other income	1,215	25,000	10,485	27,276
Revenues	1,283	25,488	11,019	29,203
Share of Income from Operating Partnerships (Note D)	0	0	0	0
Expenses
Professional fees	1,848	206	25,549	25,498
Fund management fee, net (Note C)	65,733	62,118	185,196	161,971
General and administrative expenses	6,871	7,918	14,260	14,722
Operating Expenses	74,452	70,242	225,005	202,191
NET INCOME (LOSS)	(73,169)	(44,754)	(213,986)	(172,988)
Net income (loss) allocated to limited assignees	(72,437)	(44,306)	(211,846)	(171,258)
Net income (loss) allocated to general partner	(732)	(448)	(2,140)	(1,730)
Net income (loss) per BAC (in dollars per share)	(0.02)	(0.01)	(0.06)	(0.05)
Series Nineteen [Member]
Income
Interest income	5,249	1,327	16,482	6,184
Other income	265	0	314	51,638
Revenues	5,514	1,327	16,796	57,822
Share of Income from Operating Partnerships (Note D)	0	0	99,450	1,514,380
Expenses
Professional fees	1,883	5,254	22,681	29,884
Fund management fee, net (Note C)	31,750	45,948	99,763	104,216
General and administrative expenses	6,719	7,314	14,687	14,682
Operating Expenses	40,352	58,516	137,131	148,782
NET INCOME (LOSS)	(34,838)	(57,189)	(20,885)	1,423,420
Net income (loss) allocated to limited assignees	(34,490)	(56,617)	(20,676)	1,409,186
Net income (loss) allocated to general partner	$ (348)	$ (572)	$ (209)	$ 14,234
Net income (loss) per BAC (in dollars per share)	(0.01)	(0.01)	(0.01)	0.35