CONDENSED STATEMENTS OF OPERATIONS (USD $)	3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Income
Interest income	$ 5,057	$ 4,569
Other income	448,071	428,462
Revenues	453,128	433,031
Share of income (loss) from Operating Partnerships (Note D)	(442,380)	569,534
Expenses
Professional fees	135,051	44,782
Fund management fee, net (Note C)	1,031,110	1,169,476
Amortization	111,667	158,451
General and administrative expenses	131,845	127,073
Operating expenses	1,409,673	1,499,782
NET INCOME (LOSS)	(1,398,925)	(497,217)
Net income (loss) allocated to assignees	(1,384,936)	(492,245)
Net income (loss) allocated to general partner	(13,989)	(4,972)
Net income (loss) per BAC (in dollars per share)	$ (0.02)	$ (0.01)
Series Twenty [Member]
Income
Interest income	115	236
Other income	0	0
Revenues	115	236
Share of income (loss) from Operating Partnerships (Note D)	0	0
Expenses
Professional fees	3,820	98
Fund management fee, net (Note C)	21,647	24,934
Amortization	0	0
General and administrative expenses	5,417	6,364
Operating expenses	30,884	31,396
NET INCOME (LOSS)	(30,769)	(31,160)
Net income (loss) allocated to assignees	(30,461)	(30,848)
Net income (loss) allocated to general partner	(308)	(312)
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ (0.01)
Series Twenty One [Member]
Income
Interest income	79	153
Other income	7,154	0
Revenues	7,233	153
Share of income (loss) from Operating Partnerships (Note D)	0	0
Expenses
Professional fees	2,900	49
Fund management fee, net (Note C)	15,182	16,770
Amortization	0	0
General and administrative expenses	3,835	4,093
Operating expenses	21,917	20,912
NET INCOME (LOSS)	(14,684)	(20,759)
Net income (loss) allocated to assignees	(14,537)	(20,551)
Net income (loss) allocated to general partner	(147)	(208)
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ (0.01)
Series Twenty Two [Member]
Income
Interest income	138	86
Other income	5,683	5,683
Revenues	5,821	5,769
Share of income (loss) from Operating Partnerships (Note D)	0	0
Expenses
Professional fees	4,900	69
Fund management fee, net (Note C)	13,615	32,216
Amortization	0	0
General and administrative expenses	4,481	5,317
Operating expenses	22,996	37,602
NET INCOME (LOSS)	(17,175)	(31,833)
Net income (loss) allocated to assignees	(17,003)	(31,515)
Net income (loss) allocated to general partner	(172)	(318)
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ (0.01)
Series Twenty Three [Member]
Income
Interest income	84	70
Other income	0	68,066
Revenues	84	68,136
Share of income (loss) from Operating Partnerships (Note D)	0	0
Expenses
Professional fees	4,130	90
Fund management fee, net (Note C)	19,180	21,944
Amortization	0	0
General and administrative expenses	5,044	6,051
Operating expenses	28,354	28,085
NET INCOME (LOSS)	(28,270)	40,051
Net income (loss) allocated to assignees	(27,987)	39,650
Net income (loss) allocated to general partner	(283)	401
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ 0.01
Series Twenty Four [Member]
Income
Interest income	647	182
Other income	952	1,870
Revenues	1,599	2,052
Share of income (loss) from Operating Partnerships (Note D)	0	27,680
Expenses
Professional fees	4,590	55
Fund management fee, net (Note C)	22,713	29,604
Amortization	0	0
General and administrative expenses	4,222	4,757
Operating expenses	31,525	34,416
NET INCOME (LOSS)	(29,926)	(4,684)
Net income (loss) allocated to assignees	(29,627)	(4,637)
Net income (loss) allocated to general partner	(299)	(47)
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ 0.00
Series Twenty Five [Member]
Income
Interest income	851	336
Other income	10,162	1,419
Revenues	11,013	1,755
Share of income (loss) from Operating Partnerships (Note D)	0	48,325
Expenses
Professional fees	3,515	74
Fund management fee, net (Note C)	9,164	16,697
Amortization	0	0
General and administrative expenses	4,709	5,492
Operating expenses	17,388	22,263
NET INCOME (LOSS)	(6,375)	27,817
Net income (loss) allocated to assignees	(6,311)	27,539
Net income (loss) allocated to general partner	(64)	278
Net income (loss) per BAC (in dollars per share)	$ 0.00	$ 0.01
Series Twenty Six [Member]
Income
Interest income	274	332
Other income	4,224	5,169
Revenues	4,498	5,501
Share of income (loss) from Operating Partnerships (Note D)	0	538,243
Expenses
Professional fees	7,975	98
Fund management fee, net (Note C)	48,410	72,970
Amortization	0	0
General and administrative expenses	5,651	6,310
Operating expenses	62,036	79,378
NET INCOME (LOSS)	(57,538)	464,366
Net income (loss) allocated to assignees	(56,963)	459,722
Net income (loss) allocated to general partner	(575)	4,644
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ 0.12
Series Twenty Seven [Member]
Income
Interest income	156	214
Other income	15,536	21,576
Revenues	15,692	21,790
Share of income (loss) from Operating Partnerships (Note D)	0	575,945
Expenses
Professional fees	4,130	56
Fund management fee, net (Note C)	32,995	37,178
Amortization	0	16,347
General and administrative expenses	4,221	4,276
Operating expenses	41,346	57,857
NET INCOME (LOSS)	(25,654)	539,878
Net income (loss) allocated to assignees	(25,397)	534,479
Net income (loss) allocated to general partner	(257)	5,399
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ 0.22
Series Twenty Eight [Member]
Income
Interest income	300	242
Other income	243,265	262,129
Revenues	243,565	262,371
Share of income (loss) from Operating Partnerships (Note D)	50,000	0
Expenses
Professional fees	5,820	86
Fund management fee, net (Note C)	(26,892)	33,396
Amortization	0	0
General and administrative expenses	5,157	5,102
Operating expenses	(15,915)	38,584
NET INCOME (LOSS)	309,480	223,787
Net income (loss) allocated to assignees	306,385	221,549
Net income (loss) allocated to general partner	3,095	2,238
Net income (loss) per BAC (in dollars per share)	$ 0.08	$ 0.06
Series Twenty Nine [Member]
Income
Interest income	61	154
Other income	6,577	0
Revenues	6,638	154
Share of income (loss) from Operating Partnerships (Note D)	0	0
Expenses
Professional fees	7,477	35,769
Fund management fee, net (Note C)	67,455	42,041
Amortization	0	0
General and administrative expenses	5,316	6,138
Operating expenses	80,248	83,948
NET INCOME (LOSS)	(73,610)	(83,794)
Net income (loss) allocated to assignees	(72,874)	(82,956)
Net income (loss) allocated to general partner	(736)	(838)
Net income (loss) per BAC (in dollars per share)	$ (0.02)	$ (0.02)
Series Thirty [Member]
Income
Interest income	177	224
Other income	0	0
Revenues	177	224
Share of income (loss) from Operating Partnerships (Note D)	0	72,943
Expenses
Professional fees	4,435	57
Fund management fee, net (Note C)	36,949	43,536
Amortization	0	0
General and administrative expenses	4,306	4,450
Operating expenses	45,690	48,043
NET INCOME (LOSS)	(45,513)	25,124
Net income (loss) allocated to assignees	(45,058)	24,873
Net income (loss) allocated to general partner	(455)	251
Net income (loss) per BAC (in dollars per share)	$ (0.02)	$ 0.01
Series Thirty One [Member]
Income
Interest income	179	130
Other income	192	5,967
Revenues	371	6,097
Share of income (loss) from Operating Partnerships (Note D)	0	0
Expenses
Professional fees	7,030	87
Fund management fee, net (Note C)	55,195	29,802
Amortization	0	0
General and administrative expenses	5,296	4,495
Operating expenses	67,521	34,384
NET INCOME (LOSS)	(67,150)	(28,287)
Net income (loss) allocated to assignees	(66,479)	(28,004)
Net income (loss) allocated to general partner	(671)	(283)
Net income (loss) per BAC (in dollars per share)	$ (0.02)	$ (0.01)
Series Thirty Two [Member]
Income
Interest income	221	283
Other income	0	0
Revenues	221	283
Share of income (loss) from Operating Partnerships (Note D)	0	0
Expenses
Professional fees	4,130	95
Fund management fee, net (Note C)	68,544	56,857
Amortization	0	0
General and administrative expenses	5,328	5,735
Operating expenses	78,002	62,687
NET INCOME (LOSS)	(77,781)	(62,404)
Net income (loss) allocated to assignees	(77,003)	(61,780)
Net income (loss) allocated to general partner	(778)	(624)
Net income (loss) per BAC (in dollars per share)	$ (0.02)	$ (0.01)
Series Thirty Three [Member]
Income
Interest income	151	181
Other income	1,406	0
Revenues	1,557	181
Share of income (loss) from Operating Partnerships (Note D)	0	0
Expenses
Professional fees	3,055	1,546
Fund management fee, net (Note C)	30,852	30,852
Amortization	0	0
General and administrative expenses	4,003	3,963
Operating expenses	37,910	36,361
NET INCOME (LOSS)	(36,353)	(36,180)
Net income (loss) allocated to assignees	(35,989)	(35,818)
Net income (loss) allocated to general partner	(364)	(362)
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ (0.01)
Series Thirty Four [Member]
Income
Interest income	12	5
Other income	25,146	11,182
Revenues	25,158	11,187
Share of income (loss) from Operating Partnerships (Note D)	0	0
Expenses
Professional fees	6,423	5,473
Fund management fee, net (Note C)	64,149	73,299
Amortization	0	0
General and administrative expenses	4,657	4,146
Operating expenses	75,229	82,918
NET INCOME (LOSS)	(50,071)	(71,731)
Net income (loss) allocated to assignees	(49,570)	(71,014)
Net income (loss) allocated to general partner	(501)	(717)
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ (0.02)
Series Thirty Five [Member]
Income
Interest income	83	27
Other income	4,950	0
Revenues	5,033	27
Share of income (loss) from Operating Partnerships (Note D)	0	0
Expenses
Professional fees	3,515	368
Fund management fee, net (Note C)	48,061	57,090
Amortization	0	0
General and administrative expenses	4,554	4,112
Operating expenses	56,130	61,570
NET INCOME (LOSS)	(51,097)	(61,543)
Net income (loss) allocated to assignees	(50,586)	(60,928)
Net income (loss) allocated to general partner	(511)	(615)
Net income (loss) per BAC (in dollars per share)	$ (0.02)	$ (0.02)
Series Thirty Six [Member]
Income
Interest income	352	61
Other income	9,862	18,100
Revenues	10,214	18,161
Share of income (loss) from Operating Partnerships (Note D)	0	0
Expenses
Professional fees	3,603	43
Fund management fee, net (Note C)	26,922	32,429
Amortization	0	0
General and administrative expenses	3,828	3,592
Operating expenses	34,353	36,064
NET INCOME (LOSS)	(24,139)	(17,903)
Net income (loss) allocated to assignees	(23,898)	(17,724)
Net income (loss) allocated to general partner	(241)	(179)
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ (0.01)
Series Thirty Seven [Member]
Income
Interest income	180	241
Other income	17,378	9,940
Revenues	17,558	10,181
Share of income (loss) from Operating Partnerships (Note D)	0	0
Expenses
Professional fees	2,900	47
Fund management fee, net (Note C)	38,827	40,698
Amortization	0	0
General and administrative expenses	3,870	3,677
Operating expenses	45,597	44,422
NET INCOME (LOSS)	(28,039)	(34,241)
Net income (loss) allocated to assignees	(27,759)	(33,899)
Net income (loss) allocated to general partner	(280)	(342)
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ (0.01)
Series Thirty Eight [Member]
Income
Interest income	89	97
Other income	13,231	2,436
Revenues	13,320	2,533
Share of income (loss) from Operating Partnerships (Note D)	0	(24,773)
Expenses
Professional fees	3,360	50
Fund management fee, net (Note C)	33,041	36,041
Amortization	0	0
General and administrative expenses	3,986	3,732
Operating expenses	40,387	39,823
NET INCOME (LOSS)	(27,067)	(62,063)
Net income (loss) allocated to assignees	(26,796)	(61,442)
Net income (loss) allocated to general partner	(271)	(621)
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ (0.02)
Series Thirty Nine [Member]
Income
Interest income	75	143
Other income	4,310	7,345
Revenues	4,385	7,488
Share of income (loss) from Operating Partnerships (Note D)	0	(52,568)
Expenses
Professional fees	3,205	41
Fund management fee, net (Note C)	28,500	27,000
Amortization	0	0
General and administrative expenses	3,759	3,564
Operating expenses	35,464	30,605
NET INCOME (LOSS)	(31,079)	(75,685)
Net income (loss) allocated to assignees	(30,768)	(74,928)
Net income (loss) allocated to general partner	(311)	(757)
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ (0.03)
Series Forty [Member]
Income
Interest income	23	20
Other income	0	7,580
Revenues	23	7,600
Share of income (loss) from Operating Partnerships (Note D)	0	(63,144)
Expenses
Professional fees	4,285	46
Fund management fee, net (Note C)	50,004	49,329
Amortization	0	0
General and administrative expenses	4,378	3,839
Operating expenses	58,667	53,214
NET INCOME (LOSS)	(58,644)	(108,758)
Net income (loss) allocated to assignees	(58,058)	(107,670)
Net income (loss) allocated to general partner	(586)	(1,088)
Net income (loss) per BAC (in dollars per share)	$ (0.02)	$ (0.04)
Series Forty One [Member]
Income
Interest income	115	143
Other income	4,643	0
Revenues	4,758	143
Share of income (loss) from Operating Partnerships (Note D)	0	(104,338)
Expenses
Professional fees	4,900	116
Fund management fee, net (Note C)	47,820	51,495
Amortization	0	28,326
General and administrative expenses	5,569	4,355
Operating expenses	58,289	84,292
NET INCOME (LOSS)	(53,531)	(188,487)
Net income (loss) allocated to assignees	(52,996)	(186,602)
Net income (loss) allocated to general partner	(535)	(1,885)
Net income (loss) per BAC (in dollars per share)	$ (0.02)	$ (0.06)
Series Forty Two [Member]
Income
Interest income	156	195
Other income	38,011	0
Revenues	38,167	195
Share of income (loss) from Operating Partnerships (Note D)	(42,920)	3,835
Expenses
Professional fees	5,205	110
Fund management fee, net (Note C)	51,030	49,661
Amortization	17,290	17,290
General and administrative expenses	7,559	5,089
Operating expenses	81,084	72,150
NET INCOME (LOSS)	(85,837)	(68,120)
Net income (loss) allocated to assignees	(84,979)	(67,439)
Net income (loss) allocated to general partner	(858)	(681)
Net income (loss) per BAC (in dollars per share)	$ (0.03)	$ (0.02)
Series Forty Three [Member]
Income
Interest income	127	110
Other income	35,389	0
Revenues	35,516	110
Share of income (loss) from Operating Partnerships (Note D)	(96,007)	(39,032)
Expenses
Professional fees	5,360	69
Fund management fee, net (Note C)	53,352	64,895
Amortization	16,698	16,698
General and administrative expenses	5,988	4,587
Operating expenses	81,398	86,249
NET INCOME (LOSS)	(141,889)	(125,171)
Net income (loss) allocated to assignees	(140,470)	(123,919)
Net income (loss) allocated to general partner	(1,419)	(1,252)
Net income (loss) per BAC (in dollars per share)	$ (0.04)	$ (0.03)
Series Forty Four [Member]
Income
Interest income	162	254
Other income	0	0
Revenues	162	254
Share of income (loss) from Operating Partnerships (Note D)	(28,648)	(81,526)
Expenses
Professional fees	13,725	54
Fund management fee, net (Note C)	34,243	58,175
Amortization	70,700	70,700
General and administrative expenses	4,935	4,107
Operating expenses	123,603	133,036
NET INCOME (LOSS)	(152,089)	(214,308)
Net income (loss) allocated to assignees	(150,568)	(212,165)
Net income (loss) allocated to general partner	(1,521)	(2,143)
Net income (loss) per BAC (in dollars per share)	$ (0.06)	$ (0.08)
Series Forty Five [Member]
Income
Interest income	137	274
Other income	0	0
Revenues	137	274
Share of income (loss) from Operating Partnerships (Note D)	(207,193)	(192,874)
Expenses
Professional fees	6,435	77
Fund management fee, net (Note C)	80,763	81,893
Amortization	4,454	4,454
General and administrative expenses	6,607	5,180
Operating expenses	98,259	91,604
NET INCOME (LOSS)	(305,315)	(284,204)
Net income (loss) allocated to assignees	(302,262)	(281,362)
Net income (loss) allocated to general partner	(3,053)	(2,842)
Net income (loss) per BAC (in dollars per share)	$ (0.08)	$ (0.07)
Series Forty Six [Member]
Income
Interest income	113	176
Other income	0	0
Revenues	113	176
Share of income (loss) from Operating Partnerships (Note D)	(117,612)	(139,182)
Expenses
Professional fees	4,228	59
Fund management fee, net (Note C)	59,389	58,674
Amortization	2,525	4,636
General and administrative expenses	5,169	4,550
Operating expenses	71,311	67,919
NET INCOME (LOSS)	(188,810)	(206,925)
Net income (loss) allocated to assignees	(186,922)	(204,856)
Net income (loss) allocated to general partner	$ (1,888)	$ (2,069)
Net income (loss) per BAC (in dollars per share)	$ (0.06)	$ (0.07)