CONDENSED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net income (loss)	$ (6,913,586)	$ (7,502,602)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	732,403	1,339,965
Distributions from Operating Partnerships	273,065	142,886
Share of (Income) Loss from Operating Partnerships	1,852,531	1,717,287
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	(40,276)	177,967
Decrease (Increase) in other assets	(70,251)	(165,855)
(Decrease) Increase in accounts payable affiliates	3,817,426	3,226,303
Net cash (used in) provided by operating activities	(348,688)	(1,064,049)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	(250,901)
Proceeds from the disposition of Operating Partnerships	1,447,558	6,711,692
Net cash (used in) provided by investing activities	1,447,558	6,460,791
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	1,098,870	5,396,742
Cash and cash equivalents, beginning	7,926,372	6,498,869
Cash and cash equivalents, ending	9,025,242	11,895,611
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	12,841	566,229
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	18,818
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	8,915
Series Twenty [Member]
Cash flows from operating activities:
Net income (loss)	(32,240)	837,903
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	0
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	(103,600)	(921,489)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	12,124	20,876
Decrease (Increase) in other assets	0	2,633
(Decrease) Increase in accounts payable affiliates	137,311	(789,490)
Net cash (used in) provided by operating activities	13,595	(849,567)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	103,600	921,489
Net cash (used in) provided by investing activities	103,600	921,489
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	117,195	71,922
Cash and cash equivalents, beginning	245,496	187,333
Cash and cash equivalents, ending	362,691	259,255
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Twenty One [Member]
Cash flows from operating activities:
Net income (loss)	96,969	24,759
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	0
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	(118,000)	(25,729)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	10,000	8,020
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	(80,730)	43,282
Net cash (used in) provided by operating activities	(91,761)	50,332
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	118,000	25,729
Net cash (used in) provided by investing activities	118,000	25,729
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	26,239	76,061
Cash and cash equivalents, beginning	338,841	287,156
Cash and cash equivalents, ending	365,080	363,217
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Twenty Two [Member]
Cash flows from operating activities:
Net income (loss)	(158,952)	595,145
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	0
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	0	(753,664)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	(12,501)	12,501
Decrease (Increase) in other assets	0	2,500
(Decrease) Increase in accounts payable affiliates	(14,075)	158,337
Net cash (used in) provided by operating activities	(185,528)	14,819
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	753,664
Net cash (used in) provided by investing activities	0	753,664
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(185,528)	768,483
Cash and cash equivalents, beginning	344,376	150,885
Cash and cash equivalents, ending	158,848	919,368
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Twenty Three [Member]
Cash flows from operating activities:
Net income (loss)	(150,645)	646,058
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	0
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	0	(683,819)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	(7,500)	19,835
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	(47,867)	136,475
Net cash (used in) provided by operating activities	(206,012)	118,549
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	683,819
Net cash (used in) provided by investing activities	0	683,819
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(206,012)	802,368
Cash and cash equivalents, beginning	325,579	96,567
Cash and cash equivalents, ending	119,567	898,935
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Twenty Four [Member]
Cash flows from operating activities:
Net income (loss)	46,268	(83,154)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	0
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	(139,151)	0
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	422	0
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	21,475	33,425
Net cash (used in) provided by operating activities	(70,986)	(49,729)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	139,151	0
Net cash (used in) provided by investing activities	139,151	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	68,165	(49,729)
Cash and cash equivalents, beginning	200,227	247,141
Cash and cash equivalents, ending	268,392	197,412
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Twenty Five [Member]
Cash flows from operating activities:
Net income (loss)	1,225,145	68,814
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	0
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	(1,215,347)	(84,378)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	6,992	24,408
Decrease (Increase) in other assets	(3,500)	0
(Decrease) Increase in accounts payable affiliates	96,554	63,057
Net cash (used in) provided by operating activities	109,844	71,901
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	1,065,241	84,378
Net cash (used in) provided by investing activities	1,065,241	84,378
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	1,175,085	156,279
Cash and cash equivalents, beginning	562,226	256,530
Cash and cash equivalents, ending	1,737,311	412,809
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Twenty Six [Member]
Cash flows from operating activities:
Net income (loss)	(119,249)	1,207,504
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	0
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	0	(1,451,966)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	(30,000)	30,000
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	255,312	258,583
Net cash (used in) provided by operating activities	106,063	44,121
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	1,451,966
Net cash (used in) provided by investing activities	0	1,451,966
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	106,063	1,496,087
Cash and cash equivalents, beginning	476,868	312,412
Cash and cash equivalents, ending	582,931	1,808,499
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Twenty Seven [Member]
Cash flows from operating activities:
Net income (loss)	(195,321)	(957,803)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	49,044	51,369
Distributions from Operating Partnerships	0	100
Share of (Income) Loss from Operating Partnerships	0	691,431
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	(10,000)	10,000
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	121,156	186,404
Net cash (used in) provided by operating activities	(35,121)	(18,499)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	1,638,582
Net cash (used in) provided by investing activities	0	1,638,582
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(35,121)	1,620,083
Cash and cash equivalents, beginning	550,614	273,885
Cash and cash equivalents, ending	515,493	1,893,968
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	12,841	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Twenty Eight [Member]
Cash flows from operating activities:
Net income (loss)	(230,913)	(207,959)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	0
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	0	0
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	250,587	200,587
Net cash (used in) provided by operating activities	19,674	(7,372)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	19,674	(7,372)
Cash and cash equivalents, beginning	259,714	262,507
Cash and cash equivalents, ending	279,388	255,135
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Twenty Nine [Member]
Cash flows from operating activities:
Net income (loss)	(224,551)	(304,980)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	21,711
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	0	24,395
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	248,553	248,553
Net cash (used in) provided by operating activities	24,002	(10,321)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	24,002	(10,321)
Cash and cash equivalents, beginning	214,315	206,375
Cash and cash equivalents, ending	238,317	196,054
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Thirty [Member]
Cash flows from operating activities:
Net income (loss)	(145,071)	(110,609)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	19,707
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	0	(68,299)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	(9,323)	10,000
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	30,608	139,628
Net cash (used in) provided by operating activities	(123,786)	(9,573)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	151,341
Net cash (used in) provided by investing activities	0	151,341
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(123,786)	141,768
Cash and cash equivalents, beginning	421,530	280,327
Cash and cash equivalents, ending	297,744	422,095
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Thirty One [Member]
Cash flows from operating activities:
Net income (loss)	(273,573)	(307,859)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	0
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	0	0
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	273,114	273,114
Net cash (used in) provided by operating activities	(459)	(34,745)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(459)	(34,745)
Cash and cash equivalents, beginning	181,199	166,800
Cash and cash equivalents, ending	180,740	132,055
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Thirty Two [Member]
Cash flows from operating activities:
Net income (loss)	(275,262)	(195,347)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	0
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	52,794	(38,615)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	15,000
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	212,571	218,916
Net cash (used in) provided by operating activities	(9,897)	(46)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	559,998
Net cash (used in) provided by investing activities	0	559,998
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(9,897)	559,952
Cash and cash equivalents, beginning	495,360	340,581
Cash and cash equivalents, ending	485,463	900,533
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Thirty Three [Member]
Cash flows from operating activities:
Net income (loss)	(58,546)	(206,696)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	0
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	(21,566)	90,153
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	8,434	18,403
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	98,862	110,370
Net cash (used in) provided by operating activities	27,184	12,230
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	21,566	60,000
Net cash (used in) provided by investing activities	21,566	60,000
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	48,750	72,230
Cash and cash equivalents, beginning	240,231	184,115
Cash and cash equivalents, ending	288,981	256,345
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Thirty Four [Member]
Cash flows from operating activities:
Net income (loss)	(207,240)	(621,858)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	168,282
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	0	200,723
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	(66,751)	0
(Decrease) Increase in accounts payable affiliates	241,822	232,749
Net cash (used in) provided by operating activities	(32,169)	(20,104)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(32,169)	(20,104)
Cash and cash equivalents, beginning	64,486	74,138
Cash and cash equivalents, ending	32,317	54,034
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Thirty Five [Member]
Cash flows from operating activities:
Net income (loss)	(258,979)	(697,599)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	54,216
Distributions from Operating Partnerships	0	0
Share of (Income) Loss from Operating Partnerships	93,491	443,503
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	171,270	171,270
Net cash (used in) provided by operating activities	5,782	(28,610)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	5,782	(28,610)
Cash and cash equivalents, beginning	116,848	127,244
Cash and cash equivalents, ending	122,630	98,634
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Thirty Six [Member]
Cash flows from operating activities:
Net income (loss)	(148,705)	(285,563)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	0
Distributions from Operating Partnerships	3,658	13,640
Share of (Income) Loss from Operating Partnerships	54,048	138,224
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	120,448	126,471
Net cash (used in) provided by operating activities	29,449	(7,228)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	29,449	(7,228)
Cash and cash equivalents, beginning	133,266	142,855
Cash and cash equivalents, ending	162,715	135,627
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Thirty Seven [Member]
Cash flows from operating activities:
Net income (loss)	33,645	(470,600)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	88,686
Distributions from Operating Partnerships	3,658	47,169
Share of (Income) Loss from Operating Partnerships	(155,187)	222,977
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	153,648	153,648
Net cash (used in) provided by operating activities	35,764	41,880
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	35,764	41,880
Cash and cash equivalents, beginning	346,391	309,745
Cash and cash equivalents, ending	382,155	351,625
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Thirty Eight [Member]
Cash flows from operating activities:
Net income (loss)	(311,909)	(570,540)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	10,470
Distributions from Operating Partnerships	45,718	25,239
Share of (Income) Loss from Operating Partnerships	178,566	413,135
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	54,109	123,300
Net cash (used in) provided by operating activities	(33,516)	1,604
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(33,516)	1,604
Cash and cash equivalents, beginning	235,617	209,324
Cash and cash equivalents, ending	202,101	210,928
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Thirty Nine [Member]
Cash flows from operating activities:
Net income (loss)	(232,482)	(616,831)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	8,337
Distributions from Operating Partnerships	15,288	12,754
Share of (Income) Loss from Operating Partnerships	113,056	495,831
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	102,600	102,600
Net cash (used in) provided by operating activities	(1,538)	2,691
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(1,538)	2,691
Cash and cash equivalents, beginning	187,805	183,296
Cash and cash equivalents, ending	186,267	185,987
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Forty [Member]
Cash flows from operating activities:
Net income (loss)	(475,159)	(482,551)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	0	39,777
Distributions from Operating Partnerships	0	475
Share of (Income) Loss from Operating Partnerships	299,177	261,022
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	150,012	161,995
Net cash (used in) provided by operating activities	(25,970)	(19,282)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(25,970)	(19,282)
Cash and cash equivalents, beginning	109,745	120,514
Cash and cash equivalents, ending	83,775	101,232
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Forty One [Member]
Cash flows from operating activities:
Net income (loss)	(812,610)	(377,234)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	114,612	166,884
Distributions from Operating Partnerships	12,311	7,259
Share of (Income) Loss from Operating Partnerships	498,756	65,987
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	(8,924)	8,924
Decrease (Increase) in other assets	0	834
(Decrease) Increase in accounts payable affiliates	178,551	(119,988)
Net cash (used in) provided by operating activities	(17,304)	(247,334)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	380,726
Net cash (used in) provided by investing activities	0	380,726
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(17,304)	133,392
Cash and cash equivalents, beginning	215,834	78,660
Cash and cash equivalents, ending	198,530	212,052
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Forty Two [Member]
Cash flows from operating activities:
Net income (loss)	(354,050)	(352,885)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	53,788	74,538
Distributions from Operating Partnerships	36,550	1,005
Share of (Income) Loss from Operating Partnerships	107,650	154,466
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	187,335	187,335
Net cash (used in) provided by operating activities	31,273	64,459
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	(100,361)
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	(100,361)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	31,273	(35,902)
Cash and cash equivalents, beginning	311,423	348,800
Cash and cash equivalents, ending	342,696	312,898
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	182,999
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Forty Three [Member]
Cash flows from operating activities:
Net income (loss)	(685,423)	(773,492)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	74,187	185,812
Distributions from Operating Partnerships	64,812	3,342
Share of (Income) Loss from Operating Partnerships	365,527	419,403
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	(85,806)
(Decrease) Increase in accounts payable affiliates	178,603	230,085
Net cash (used in) provided by operating activities	(2,294)	(20,656)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(2,294)	(20,656)
Cash and cash equivalents, beginning	234,982	256,265
Cash and cash equivalents, ending	232,688	235,609
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	186,626
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Forty Four [Member]
Cash flows from operating activities:
Net income (loss)	(1,112,011)	(1,045,247)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	212,100	213,185
Distributions from Operating Partnerships	5,079	5,728
Share of (Income) Loss from Operating Partnerships	721,233	665,717
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	(104,834)
(Decrease) Increase in accounts payable affiliates	213,528	213,528
Net cash (used in) provided by operating activities	39,929	(51,923)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	(139,317)
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	(139,317)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	39,929	(191,240)
Cash and cash equivalents, beginning	395,938	590,586
Cash and cash equivalents, ending	435,867	399,346
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	196,604
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Forty Five [Member]
Cash flows from operating activities:
Net income (loss)	(1,165,456)	(1,489,628)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	204,819	204,819
Distributions from Operating Partnerships	47,876	22,953
Share of (Income) Loss from Operating Partnerships	671,729	967,606
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	274,923	174,923
Net cash (used in) provided by operating activities	33,891	(119,327)
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	0
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	33,891	(119,327)
Cash and cash equivalents, beginning	425,893	537,189
Cash and cash equivalents, ending	459,784	417,862
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	0	0
Series Forty Six [Member]
Cash flows from operating activities:
Net income (loss)	(687,266)	(724,350)
Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities
Amortization	23,853	32,172
Distributions from Operating Partnerships	38,115	3,222
Share of (Income) Loss from Operating Partnerships	449,355	490,673
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
Decrease (Increase) in other assets	0	18,818
(Decrease) Increase in accounts payable affiliates	187,146	187,146
Net cash (used in) provided by operating activities	11,203	7,681
Cash flows from investing activities:
Capital contributions paid to Operating Partnerships	0	(11,223)
Proceeds from the disposition of Operating Partnerships	0	0
Net cash (used in) provided by investing activities	0	(11,223)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	11,203	(3,542)
Cash and cash equivalents, beginning	291,568	267,639
Cash and cash equivalents, ending	302,771	264,097
Supplemental schedule of noncash investing and financing activities:
The Fund applied notes receivable and advances to its capital contribution obligation to operating limited partnerships.	0	0
The Fund has decreased its investments in Operating Partnerships and recorded a receivable for tax credits not generated by the Operating Partnerships.	0	18,818
The Fund has decreased its investments in Operating Partnerships and decreased its capital contribution obligation to Operating Partnerships for tax credits not generated by the Operating Partnerships.	$ 0	$ 8,915