CONDENSED STATEMENTS OF OPERATIONS - USD ($)	3 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Income
Interest income	$ 1,280	$ 972
Other income	16,622	2,094
Total income	17,902	3,066
Share of Income from Operating Partnerships(Note D)	5,850,728	382,700
Expenses
Professional fees	26,640	27,900
Fund management fee, net (Note C)	9,812	144,997
General and administrative expenses	17,388	18,976
Operating expenses	53,840	191,873
NET INCOME (LOSS)	5,814,790	193,893
Net income (loss) allocated to limited assignees	5,756,642	191,953
Net income (loss) allocated to general partner	$ 58,148	$ 1,940
Net income (loss) per BAC (in dollars per share)	$ 0.26	$ 0.01
Series Fifteen [Member]
Income
Interest income	$ 185	$ 130
Other income	0	0
Total income	185	130
Share of Income from Operating Partnerships(Note D)	325,769	382,700
Expenses
Professional fees	6,120	6,020
Fund management fee, net (Note C)	(58,036)	(2,304)
General and administrative expenses	3,366	3,513
Operating expenses	(48,550)	7,229
NET INCOME (LOSS)	374,504	375,601
Net income (loss) allocated to limited assignees	370,759	371,845
Net income (loss) allocated to general partner	$ 3,745	$ 3,756
Net income (loss) per BAC (in dollars per share)	$ 0.1	$ 0.1
Series Sixteen [Member]
Income
Interest income	$ 122	$ 110
Other income	401	661
Total income	523	771
Share of Income from Operating Partnerships(Note D)	0	0
Expenses
Professional fees	6,780	6,970
Fund management fee, net (Note C)	38,290	47,680
General and administrative expenses	3,953	4,264
Operating expenses	49,023	58,914
NET INCOME (LOSS)	(48,500)	(58,143)
Net income (loss) allocated to limited assignees	(48,015)	(57,562)
Net income (loss) allocated to general partner	$ (485)	$ (581)
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ (0.01)
Series Seventeen [Member]
Income
Interest income	$ 314	$ 266
Other income	16,138	1,350
Total income	16,452	1,616
Share of Income from Operating Partnerships(Note D)	5,524,959	0
Expenses
Professional fees	5,130	6,020
Fund management fee, net (Note C)	(1,689)	43,639
General and administrative expenses	3,596	3,875
Operating expenses	7,037	53,534
NET INCOME (LOSS)	5,534,374	(51,918)
Net income (loss) allocated to limited assignees	5,479,030	(51,399)
Net income (loss) allocated to general partner	$ 55,344	$ (519)
Net income (loss) per BAC (in dollars per share)	$ 1.1	$ (0.01)
Series Eighteen [Member]
Income
Interest income	$ 158	$ 95
Other income	0	0
Total income	158	95
Share of Income from Operating Partnerships(Note D)	0	0
Expenses
Professional fees	5,130	5,390
Fund management fee, net (Note C)	23,204	41,114
General and administrative expenses	3,136	3,218
Operating expenses	31,470	49,722
NET INCOME (LOSS)	(31,312)	(49,627)
Net income (loss) allocated to limited assignees	(30,999)	(49,131)
Net income (loss) allocated to general partner	$ (313)	$ (496)
Net income (loss) per BAC (in dollars per share)	$ (0.01)	$ (0.01)
Series Nineteen [Member]
Income
Interest income	$ 501	$ 371
Other income	83	83
Total income	584	454
Share of Income from Operating Partnerships(Note D)	0	0
Expenses
Professional fees	3,480	3,500
Fund management fee, net (Note C)	8,043	14,868
General and administrative expenses	3,337	4,106
Operating expenses	14,860	22,474
NET INCOME (LOSS)	(14,276)	(22,020)
Net income (loss) allocated to limited assignees	(14,133)	(21,800)
Net income (loss) allocated to general partner	$ (143)	$ (220)
Net income (loss) per BAC (in dollars per share)	$ (0.00)	$ (0.01)