12. Segments (Details) - USD ($)	3 Months Ended		6 Months Ended
	Sep. 30, 2018	Sep. 30, 2017	Sep. 30, 2018	Sep. 30, 2017	Mar. 31, 2018	Mar. 31, 2017
Revenues	$ 0	$ 0	$ 149,625	$ 0
Operating Losses	(1,346,954)	(1,236,173)	(2,444,226)	(2,396,422)
Net Losses	(1,402,060)	(1,308,577)	(2,554,436)	(3,154,128)
Cash	5,078,605	920,072	5,078,605	920,072	$ 6,974,070	$ 1,559,701
Total Assets	5,272,423	1,145,978	5,272,423	1,145,978	$ 7,351,904
Capital Expenditures			0	23,705
Depreciation and Amortization			16,040	18,651
Interest Expense			(110,210)	(580,583)
Aethlon [Member]
Revenues			149,625	0
Operating Losses			(2,369,907)	(2,373,066)
Net Losses			(2,480,117)	(3,130,772)
Cash	5,076,872	919,612	5,076,872	919,612
Total Assets	5,270,690	1,118,433	5,270,690	1,118,433
Capital Expenditures			0	23,705
Depreciation and Amortization			16,040	18,651
Interest Expense			(110,210)	(250,583)
ESI [Member]
Revenues			0	0
Operating Losses			(74,319)	(23,356)
Net Losses			(74,319)	(23,356)
Cash	1,733	460	1,733	460
Total Assets	$ 1,733	$ 27,545	1,733	27,545
Capital Expenditures			0	0
Depreciation and Amortization			0	0
Interest Expense			$ 0	$ 0