CONDENSED STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities:
Net Income (loss)	$ (111,882)	$ 1,552,037
Adjustments to reconcile net income (loss) to net cash (used in)provided by operating activities
Share of (Income) from Operating Partnerships	(800,440)	(2,636,120)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	56,500	3,300
Decrease (Increase) in other assets	61,538	(22,100)
(Decrease) Increase in accounts payable affiliates	207,603	680,508
Net cash (used in) provided by operating activities	(586,681)	(422,375)
Cash flows from investing activities:
Proceeds from the disposition of Operating Partnerships	798,656	2,636,120
Net cash provided by investing activities	798,656	2,636,120
Cash flows from financing activities:
Distributions	(261,830)	(1,500,000)
Net cash used in financing activities	(261,830)	(1,500,000)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(49,855)	713,745
Cash and cash equivalents, beginning	5,463,659	2,049,777
Cash and cash equivalents, ending	5,413,804	2,763,522
Series Fifteen [Member]
Cash flows from operating activities:
Net Income (loss)	179,196	(104,185)
Adjustments to reconcile net income (loss) to net cash (used in)provided by operating activities
Share of (Income) from Operating Partnerships	(325,050)	(78,000)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	10,000	(20,100)
Decrease (Increase) in other assets	69,038	1,100
(Decrease) Increase in accounts payable affiliates	29,752	135,229
Net cash (used in) provided by operating activities	(37,064)	(65,956)
Cash flows from investing activities:
Proceeds from the disposition of Operating Partnerships	325,050	78,000
Net cash provided by investing activities	325,050	78,000
Cash flows from financing activities:
Distributions	0	0
Net cash used in financing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	287,986	12,044
Cash and cash equivalents, beginning	299,446	278,978
Cash and cash equivalents, ending	587,432	291,022
Series Sixteen [Member]
Cash flows from operating activities:
Net Income (loss)	(84,159)	(180,254)
Adjustments to reconcile net income (loss) to net cash (used in)provided by operating activities
Share of (Income) from Operating Partnerships	(148,294)	(187,025)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	31,500	5,000
Decrease (Increase) in other assets	2,500	0
(Decrease) Increase in accounts payable affiliates	139,716	148,519
Net cash (used in) provided by operating activities	(58,737)	(213,760)
Cash flows from investing activities:
Proceeds from the disposition of Operating Partnerships	146,510	187,025
Net cash provided by investing activities	146,510	187,025
Cash flows from financing activities:
Distributions	0	0
Net cash used in financing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	87,773	(26,735)
Cash and cash equivalents, beginning	416,806	416,557
Cash and cash equivalents, ending	504,579	389,822
Series Seventeen [Member]
Cash flows from operating activities:
Net Income (loss)	27,952	586,044
Adjustments to reconcile net income (loss) to net cash (used in)provided by operating activities
Share of (Income) from Operating Partnerships	(227,646)	(856,715)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	15,000	36,000
Decrease (Increase) in other assets	0	(23,200)
(Decrease) Increase in accounts payable affiliates	(3,880)	290,956
Net cash (used in) provided by operating activities	(188,574)	33,085
Cash flows from investing activities:
Proceeds from the disposition of Operating Partnerships	227,646	856,715
Net cash provided by investing activities	227,646	856,715
Cash flows from financing activities:
Distributions	0	0
Net cash used in financing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	39,072	889,800
Cash and cash equivalents, beginning	328,413	199,038
Cash and cash equivalents, ending	367,485	1,088,838
Series Eighteen [Member]
Cash flows from operating activities:
Net Income (loss)	(213,986)	(172,988)
Adjustments to reconcile net income (loss) to net cash (used in)provided by operating activities
Share of (Income) from Operating Partnerships	0	0
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	7,000
Decrease (Increase) in other assets	(10,000)	0
(Decrease) Increase in accounts payable affiliates	42,015	105,804
Net cash (used in) provided by operating activities	(181,971)	(60,184)
Cash flows from investing activities:
Proceeds from the disposition of Operating Partnerships	0	0
Net cash provided by investing activities	0	0
Cash flows from financing activities:
Distributions	0	0
Net cash used in financing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(181,971)	(60,184)
Cash and cash equivalents, beginning	293,045	347,309
Cash and cash equivalents, ending	111,074	287,125
Series Nineteen [Member]
Cash flows from operating activities:
Net Income (loss)	(20,885)	1,423,420
Adjustments to reconcile net income (loss) to net cash (used in)provided by operating activities
Share of (Income) from Operating Partnerships	(99,450)	(1,514,380)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	(24,600)
Decrease (Increase) in other assets	0	0
(Decrease) Increase in accounts payable affiliates	0	0
Net cash (used in) provided by operating activities	(120,335)	(115,560)
Cash flows from investing activities:
Proceeds from the disposition of Operating Partnerships	99,450	1,514,380
Net cash provided by investing activities	99,450	1,514,380
Cash flows from financing activities:
Distributions	(261,830)	(1,500,000)
Net cash used in financing activities	(261,830)	(1,500,000)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(282,715)	(101,180)
Cash and cash equivalents, beginning	4,125,949	807,895
Cash and cash equivalents, ending	$ 3,843,234	$ 706,715