RELATED PARTY TRANSACTIONS (Details) (USD $)	6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Gross amount of management fee during the period.	$ 1,452,201	$ 1,549,373
Series Twenty [Member]
Gross amount of management fee during the period.	26,817	48,924
Series Twenty One [Member]
Gross amount of management fee during the period.	16,770	21,468
Series Twenty Two [Member]
Gross amount of management fee during the period.	35,920	49,032
Series Twenty Three [Member]
Gross amount of management fee during the period.	30,063	40,497
Series Twenty Four [Member]
Gross amount of management fee during the period.	30,855	38,943
Series Twenty Five [Member]
Gross amount of management fee during the period.	21,148	30,246
Series Twenty Six [Member]
Gross amount of management fee during the period.	74,403	85,104
Series Twenty Seven [Member]
Gross amount of management fee during the period.	57,926	58,428
Series Twenty Eight [Member]
Gross amount of management fee during the period.	74,662	83,529
Series Twenty Nine [Member]
Gross amount of management fee during the period.	82,851	82,851
Series Thirty [Member]
Gross amount of management fee during the period.	41,953	43,536
Series Thirty One [Member]
Gross amount of management fee during the period.	88,401	91,038
Series Thirty Two [Member]
Gross amount of management fee during the period.	70,857	70,857
Series Thirty Three [Member]
Gross amount of management fee during the period.	30,852	34,005
Series Thirty Four [Member]
Gross amount of management fee during the period.	73,299	73,299
Series Thirty Five [Member]
Gross amount of management fee during the period.	54,900	57,090
Series Thirty Six [Member]
Gross amount of management fee during the period.	40,149	40,149
Series Thirty Seven [Member]
Gross amount of management fee during the period.	51,216	51,216
Series Thirty Eight [Member]
Gross amount of management fee during the period.	41,100	41,100
Series Thirty Nine [Member]
Gross amount of management fee during the period.	34,200	34,200
Series Forty [Member]
Gross amount of management fee during the period.	50,004	50,004
Series Forty One [Member]
Gross amount of management fee during the period.	59,517	59,517
Series Forty Two [Member]
Gross amount of management fee during the period.	62,445	62,445
Series Forty Three [Member]
Gross amount of management fee during the period.	76,695	76,695
Series Forty Four [Member]
Gross amount of management fee during the period.	71,175	71,177
Series Forty Five [Member]
Gross amount of management fee during the period.	91,641	91,641
Series Forty Six [Member]
Gross amount of management fee during the period.	$ 62,382	$ 62,382