CONDENSED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Sep. 30, 2019	Sep. 30, 2018
Cash flows from operating activities:
Net Income (Loss)	$ (115,050)	$ 688,227
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Gain on Disposition of Operating Partnerships	(47,500)	(841,020)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	2,000	(2,000)
(Decrease) Increase in accounts payable affiliates	(1,144)	(1,040,288)
Net cash provided by (used in) operating activities	(161,694)	(1,195,081)
Cash flows from investing activities:
Proceeds from the disposition of Operating Partnerships	47,500	841,020
Net cash provided by investing activities	47,500	841,020
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(114,194)	(354,061)
Cash and cash equivalents, beginning	1,055,755	1,632,938
Cash and cash equivalents, ending	941,561	1,278,877
Series 15
Cash flows from operating activities:
Net Income (Loss)	0	(35,236)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Gain on Disposition of Operating Partnerships	0	(12,500)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
(Decrease) Increase in accounts payable affiliates	0	(43,126)
Net cash provided by (used in) operating activities	0	(90,862)
Cash flows from investing activities:
Proceeds from the disposition of Operating Partnerships	0	12,500
Net cash provided by investing activities	0	12,500
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	0	(78,362)
Cash and cash equivalents, beginning	0	244,074
Cash and cash equivalents, ending	0	165,712
Series 16
Cash flows from operating activities:
Net Income (Loss)	(21,267)	(65,997)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Gain on Disposition of Operating Partnerships	(47,500)	0
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	4,500	(2,000)
(Decrease) Increase in accounts payable affiliates	(33,040)	(115,641)
Net cash provided by (used in) operating activities	(97,307)	(183,638)
Cash flows from investing activities:
Proceeds from the disposition of Operating Partnerships	47,500	0
Net cash provided by investing activities	47,500	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(49,807)	(183,638)
Cash and cash equivalents, beginning	191,974	320,396
Cash and cash equivalents, ending	142,167	136,758
Series 17
Cash flows from operating activities:
Net Income (Loss)	(44,966)	53,830
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Gain on Disposition of Operating Partnerships	0	0
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	(2,500)	0
(Decrease) Increase in accounts payable affiliates	0	0
Net cash provided by (used in) operating activities	(47,466)	53,830
Cash flows from investing activities:
Proceeds from the disposition of Operating Partnerships	0	0
Net cash provided by investing activities	0	0
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(47,466)	53,830
Cash and cash equivalents, beginning	607,576	536,326
Cash and cash equivalents, ending	560,110	590,156
Series 18
Cash flows from operating activities:
Net Income (Loss)	(48,817)	755,608
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Gain on Disposition of Operating Partnerships	0	(815,520)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
(Decrease) Increase in accounts payable affiliates	31,896	(881,521)
Net cash provided by (used in) operating activities	(16,921)	(941,433)
Cash flows from investing activities:
Proceeds from the disposition of Operating Partnerships	0	815,520
Net cash provided by investing activities	0	815,520
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(16,921)	(125,913)
Cash and cash equivalents, beginning	256,205	351,136
Cash and cash equivalents, ending	239,284	225,223
Series 19
Cash flows from operating activities:
Net Income (Loss)	0	(19,978)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities
Gain on Disposition of Operating Partnerships	0	(13,000)
Changes in assets and liabilities
(Decrease) Increase in accounts payable and accrued expenses	0	0
(Decrease) Increase in accounts payable affiliates	0	0
Net cash provided by (used in) operating activities	0	(32,978)
Cash flows from investing activities:
Proceeds from the disposition of Operating Partnerships	0	13,000
Net cash provided by investing activities	0	13,000
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	0	(19,978)
Cash and cash equivalents, beginning	0	181,006
Cash and cash equivalents, ending	$ 0	$ 161,028